31results about How to "Speed up expansion" patented technology

The invention discloses a method and system for automatically adding a host machine to a cloud platform. The method comprises the steps of assigning an IP address to a physical machine; acquiring the first data of the physical machine, including hardware information of the physical machine and connection relationship between a network card of the physical machine and a switch port; updating network topology; restarting the physical machine after hardware configuration of the physical machine; assigning an IP address for the physical machine again; installing an operating system for the physical machine; conducing a basic configuration for the physical machine, switching a network segment; and conducting an application deployment of the host machine for the physical machine. By means of the method and system for automatically adding the host machine to the cloud platform, a workflow for deploying the physical machine from a bare machine to the host machine, a standardized installation configuration is automatically completed, an original cross-group or even the cross-departmental manual workflow is replaced, the expansion speed of host machine resources of the cloud platform is accelerated, and the stability and usability of the cloud platform are improved.

The invention discloses a remote distribution method for a terminal master key and a system thereof, the method comprising: generating a terminal master key and a customer protection key, and injecting a customer protection key into a hardware encryption machine; and encrypting the terminal by using a customer protection key The master key obtains the terminal master key ciphertext; associates theterminal master key ciphertext with the unique identifier code and saves the key to the key management system; the payment terminal generates the transport key and sends the same with the unique identifier code To the key management system; the key management system obtains the corresponding terminal master key ciphertext according to the unique identification code; transcodes the terminal masterkey ciphertext to obtain the second terminal master key ciphertext, and sends To the payment terminal; the payment terminal decrypts the second terminal master key ciphertext using the transport key,and stores the decrypted terminal master key into the secure area. The present invention can securely and reliably distribute the terminal master key to the payment terminal in the production stage.

The invention relates to a culture method of oriental lily test tube bulbs. An MS culture medium is cultured under the darken condition with the temperature of 25 DEG C, wherein the MS culture mediumcontains 0.1-10.1 mg / L<-1> of 6-benzyladenine, 0.1-10.0 mg / L<-1> of rhodofix and 60 g / L<-1> of sucrose. Small lily bulbs are directly induced from explants, subculture is carried out twice, and a testtube bulb with the diameter of 4-5 cm and the weight of more than 1.5g is formed after 5 months. Temperature-variable treatment is carried out on the bulb through 6-BA combination for 8-15 days at the temperature of 10-15 DEG C, then low-temperature storage is carried out for 50-70 days at the temperature of 3-5 DEG C, and the dormancy is relieved. The stooling rate is more than 95% after the bulb is planted in fields. The diameter of the bulb diameter reaches 10-12 cm after one growing period. By adjusting and controlling the shape development of the test tube bulb and carrying out 6-BA combination temperature-variable induction, the dormancy is relieved at low temperature, the stooling rate of the oriental lily test tube bulb in the fields is enhanced, and the expansion speed of the bulb is increased by one time; the 3 growing periods of the culture time of detoxicating stock seeds in the part is shortened to 2 growing periods, therefore, the production cost is decreased by nearly 1 / 3.

The invention relates to a formula of a hard polyurethane molding foam negative pressure foaming raw material, wherein the raw material is prepared by mixing polyether polyol, a polyester polyol, a foam stabilizer, a catalyst and water, and a weight ratio of the polyether polyol to the polyester polyol to the foam stabilizer to the catalyst to the water is 50-90:10-50:2-3:2-3:1-2.5. The hard polyurethane molding foam negative pressure foaming production method comprises carrying out hard polyurethane foaming under a state with a negative pressure of 0 to -0.025 MPa, wherein polyurethane foaming is performed under the negative pressure state so as to reduce polyurethane raw material requirements. In addition, a high functionality polyester polyol can be adopted as a main polyol to prepare a combination polyether so as to carry out foaming, such that a mold cavity can be filled in a short time, and the prepared foam has characteristics of thin cell, high strength and good size stability.

The invention discloses a telescopic water pipe with an air inflation device. The telescopic water pipe comprises an elastic inner pipe and a protection outer sleeve. The elastic inner pipe is sleevedand connected with the protection outer sleeve, and an inner-outer dual pipe structure is formed. An airtight space is formed between the elastic inner pipe and the protection outer sleeve. The telescopic water pipe is provided with the air inflation device. The air inflation device is used for inflating air to the airtight space. Since the elastic inner pipe is likely to be damaged due to friction constantly produced between the elastic inner pipe and the protection outer sleeve, the service life of the telescopic water pipe is greatly shortened. According to the main design thought, the telescopic water pipe is provided with the air inflation device, the air inflation device can inflate air into the airtight space, the elastic inner pipe and the protection outer sleeve make no contact in the using process of the air-inflated telescopic water pipe, accordingly, constant telescopic friction between the elastic inner pipe and the protection outer sleeve is avoided, friction force between the elastic inner pipe and the protection outer sleeve is reduced to the minimum as far as possible, accordingly, thinning and damage of the elastic inner pipe are greatly avoided, and the servicelife of the telescopic water pipe is ensured and prolonged.

The invention provides an image search method and system, and the method comprises the steps: carrying out the matching in a database according to a search statement and / or a search word of a search instruction under the condition that the search instruction is obtained, wherein the database stores a target image and a label generated according to the target image; and outputting the target imagecorresponding to the matched label, and searching the target image through the description statement with similar semantics by the user because the database contains the label of the target image description statement and the description statement contains more complete semantic description for the image scene. The method supports statement retrieval, enriches image search modes, improves image search efficiency and quality, and enhances user image search experience.

The invention relates to the technical field of tricycle accessories, and specifically discloses a tricycle hopper damping device. The damping device comprises a tricycle frame, a tricycle hopper anda tricycle seat, wherein the tricycle seat comprises an air bag, a plurality of pressure springs are fixed in the air bag, an air outlet hole and an air inlet hole are formed in the air bag, a plurality of damping units are fixed between the tricycle frame and the tricycle hopper, each damping unit comprises a piston cylinder, elastic pieces are arranged at the tops of the piston cylinders in a sealing mode, pistons are connected in the piston cylinders in a sliding mode, the piston cylinders are divided into upper cavities and lower cavities by the pistons, piston rods are hinged to the pistons, the piston rods penetrate through the elastic pieces to be connected with the tricycle hopper, a plurality of first springs are fixed at the bottom of each piston, a first air outlet one-way valveand a first air inlet one-way valve are arranged on the side wall of each lower cavity, and exhaust pipes communicating with the air inlet hole are arranged on the first air outlet one-way valves. Byadopting the damping device, the problem that when an existing tricycle runs on a rough road surface, relatively large vibration is generated on the tricycle hopper is solved; and the problem that inthe prior art, when the tricycle runs on the rough road surface, the relatively large vibration is generated on the tricycle hopper is solved.

The invention relates to a culture method of oriental lily test tube bulbs. An MS culture medium is cultured under the darken condition with the temperature of 25 DEG C, wherein the MS culture medium contains 0.1-10.1 mg / L<-1> of 6-benzyladenine, 0.1-10.0 mg / L<-1> of rhodofix and 60 g / L<-1> of sucrose. Small lily bulbs are directly induced from explants, subculture is carried out twice, and a test tube bulb with the diameter of 4-5 cm and the weight of more than 1.5g is formed after 5 months. Temperature-variable treatment is carried out on the bulb through 6-BA combination for 8-15 days at the temperature of 10-15 DEG C, then low-temperature storage is carried out for 50-70 days at the temperature of 3-5 DEG C, and the dormancy is relieved. The stooling rate is more than 95% after the bulb is planted in fields. The diameter of the bulb diameter reaches 10-12 cm after one growing period. By adjusting and controlling the shape development of the test tube bulb and carrying out 6-BA combination temperature-variable induction, the dormancy is relieved at low temperature, the stooling rate of the oriental lily test tube bulb in the fields is enhanced, and the expansion speed of the bulb is increased by one time; the 3 growing periods of the culture time of detoxicating stock seeds in the part is shortened to 2 growing periods, therefore, the production cost is decreased by nearly 1 / 3.

The invention discloses a sealing type wood door. The sealing type wood door comprises a door body and a door lock. The door lock is installed on the door body and comprises an insurance tongue lock pin and an insurance button. A water bag is arranged on the side of the periphery of the door body, the end, located in the door body, of the insurance tongue lock pin is connected with a transmission rod, and the sealing type wood door further comprises a liquid supply device. The liquid supply device comprises a push plate and a liquid tank, and the push plate is slidably connected with the liquid tank. The transmission rod is connected with the push plate, the liquid tank is divided into a left tank body and a right tank body by the push plate, and a first liquid guiding pipe communicating with the water bag is connected to the right tank body. By adoption of the scheme, when a user is in a house, the sealing type wood door can prevent wind from blowing into the house; in summer, quick temperature lowering can be conducted on the inside of the house by an air conditioner; and in winter, warm keeping can be conducted on the inside of the house.

The invention discloses a planting method for increasing the yield of a red pomelo tree. The planting method comprises the following steps: selecting the site of an orchard, selecting soil texture, selecting a seed, performing fixed planting, performing soil management, performing fertilizer and water management, performing shaping, performing management in the flowering period, and performing management in the expansion period. In the expansion period, a selenium fertilizer of which the selenium content is 10mg / L is sprayed to leaves once every 9 days, and foliage dressing is implemented till the leaves are wetted, so that the absorption amounts of the selenium element and other nutrient substances are increased, the disease resistance of the pomelo is improved, the expansion speed of the pomelo is increased, and fruit dropping can be reduced; in the orchard, three chickens are bred each pomelo tree, due to the chickens in the orchard, soil can be loosened, insects can be caught, the fertility of the orchard is improved due to the chicken excrement, and diseases and insect pests can be reduced; the pomelo is wrapped with kraft paper sacks in the growth and development period, so that small fruits can be protected, diseases and insect pests can be reduced, the fruits can be prevented from being burnt, and loss of pomelo is reduced; the ground of the orchard is covered by sown grass, so that the ground of the orchard can be kept wet; the yield of the red pomelo can be increased.

The invention provides a file system capacity expansion method and device, electronic equipment and a storage medium, and relates to the technical field of data storage. The method comprises the following steps: determining whether a file system meets a capacity expansion condition or not according to the capacity of a new logic space of the file system and the size of a data block; if yes, determining a capacity expansion state value of the file system according to the utilization rate of each preset type of resource of the file system in the preset unit time period, the capacity expansion state value being used for indicating a capacity expansion mode of the file system; and according to the capacity expansion state value and the determined capacity expansion parameter, carrying out capacity expansion on the file system. In the method, when the expansion of the file system is executed, the expansion state value is determined by taking the utilization rate of the system resources as a reference factor, so that the expansion mode is determined to accurately judge whether the expansion of the file system is executed or not, normal storage and updating of data in the file system can be ensured while the expansion of the file system is performed, and the storage service performance of the file system is improved.

The invention discloses effervescent sugar tablets comprising sugar alcohol, edible sugar, an excipient, and 10-30wt% of microencapsulated catechin-tea flavonoid crystals. The tablets have the advantages that: the microencapsulated catechin-tea flavonoid crystals are added, such that long-term storage can be realized, mildew deterioration can be avoided, and fresh-keeping and quality-improving are promoted; starch is applied as a filling agent, adhesion agent, and disintegrating agent, such that water absorption and swelling speeds are increased, and the effervescent sugar tablets can disintegrate rapidly; sodium alginate is used in cooperation with starch, such that effervescent sugar tablet disintegration is promoted; stearic acid and / or palmitic acid is adopted as a disintegrating agent, and also assists in lubricating intestines when taken; with vitamin C, the effervescent sugar tablets can be provided with fruit taste, fragrance, and natural mouthfeel.

The invention discloses a growth regulator for panus giganteus. The growth regulator contains the following components in parts by weight: 2-3 parts of indoleacetic acid, 1.5-2.6 parts of naphthylacetic acid, 1.2-1.5 parts of salicylic acid, 1-5 parts of amino acid, 0.1-0.5 part of glucose, 0.1-0.2 part of fructose and 10-20 parts of plant fibers containing malic acid, wherein the plant fibers include cornstalks, saw dust, cotton seed hull, Chinese chestnut bract shell and corncobs. The growth regulator for the panus giganteus is blended with water to prepare suspension liquid, and the suspension liquid is sprayed to the panus giganteus, so that the photosynthesis and the metabolism are promoted, the growth of the panus giganteus is accelerated, and the effects of resisting bacteria, diseases and poisons are achieved; the growth regulator further has the advantage of long efficiency time.

The invention discloses a method for primary culture of lotus root stem tip tissue. The method comprises the following steps: 1) collection of lotus root buds; 2) pretreatment of buds; 3) disinfection and inoculation; 4) expansion culture of shoot tip tissue; 5) leaf expansion culture. The present invention prevents browning of explant tissue by adopting suitable culture medium and culture method; prevents deformity and variation of leaves by adopting leaf-expanding culture medium, so that stems and leaves develop normally. The method can make the seedling formation rate of the top meristem of the shoot tip of the lotus root reach more than 90%.

The invention discloses a vortex isolation control type stop pipe valve, and relates to the field of pipeline maintenance. The vortex isolation control type stop pipe valve comprises a main pipeline,an elastic inner core tube, a vortex heater and a temperature controller. A plurality of limiting ropes are uniformly and fixedly connected between the inner surface of the main pipeline and the outersurface of the elastic inner core pipe. Waterproof coatings are applied to the limiting ropes. A plurality of elastic partition plates are uniformly and fixedly connected to the inner surface of theelastic inner core pipe in the vertical direction. An expansion cavity is formed between every two up-and-down-adjacent elastic partition plates. Elastic balls with cavities inside the elastic balls are arranged in the expansion cavities. The vortex isolation control type stop pipe valve has the beneficial effects that the main pipeline can be quickly closed at any position, leakage of liquid in the main pipeline is alleviated, and unnecessary loss is reduced.

The invention discloses effervescent sugar tablets comprising sugar alcohol, edible sugar, an excipient, and 10-30wt% of microencapsulated catechin-tea flavonoid crystals. The tablets have the advantages that: the microencapsulated catechin-tea flavonoid crystals are added, such that long-term storage can be realized, mildew deterioration can be avoided, and fresh-keeping and quality-improving are promoted; starch is applied as a filling agent, adhesion agent, and disintegrating agent, such that water absorption and swelling speeds are increased, and the effervescent sugar tablets can disintegrate rapidly; sodium alginate is used in cooperation with starch, such that effervescent sugar tablet disintegration is promoted; stearic acid and / or palmitic acid is adopted as a disintegrating agent, and also assists in lubricating intestines when taken; with vitamin C, the effervescent sugar tablets can be provided with fruit taste, fragrance, and natural mouthfeel.

A pear tree plant growth regulator composition is composed of the following components in parts by weight: 10-20 parts of diethylaminoethyl hexanoate, 5-10 parts of brassinolide, 5-10 parts of sodium naphthalene acetate, 20-40 parts of an auxiliary agent and 33-50 parts of an additive; the auxiliary agent is one or more of a fruit swelling agent, a sugar increasing agent, a drought resistance and water conservation agent, a flower bud differentiation agent, ferrous sulfate, magnesium sulfate, vitamin and amino acid, and the additive is one or more of calcium carbonate, bentonite and kaolin; the regulator composition also includes 4-10 parts by weight of forchlorfenuron. The regulator composition not only can promote growth and development of roots, stems, leaves, flowers and fruits of pear trees, improve fruit setting and promote green big fruits to grow, but also can make new shoots grow healthy and vigorous and grow non-excessive and promote more and large leaves with high efficient value to grow; and the regulator composition not only ensures that the fruits rapidly grow, but also allows more nutrients to be remained so as to ensure the formation of more large flower buds, large thickening amount of branches and trunks and healthy and vigorous growth of root systems, so as to form large root systems having a large number of absorbing roots.

The invention provides a preparation for improving fruit setting rate of tomato and a preparation method of the preparation. The preparation is water aqua, wherein each constituent in weight percentage is as follows: 0.02-0.03% of alpha-naphthylacetic acid, 0.02-0.04% of PCPA (para-chlorophenylalanine), 0.08-0.1% of sodium nitrophenolate, 0.03-0.06% of 6-BA (6-benzyladenine), 4-8% of monopotassium phosphate, 3-5% of calcium chloride, 0.02-0.05% of zinc sulfate, and the balance of water. The preparation method comprises the steps of weighing the alpha-naphthylacetic acid, PCPA, sodium nitrophenolate, 6-BA, monopotassium phosphate, calcium chloride and zinc sulfate according to the proportion, respectively dissolving the alpha-naphthylacetic acid, PCPA, sodium nitrophenolate, 6-BA, monopotassium phosphate, calcium chloride and zinc sulfate into water, mixing to obtain mixture, adding water to dilute the mixture to required concentration, and fully and uniformly agitating the mixture. The preparation for improving the fruit setting rate of the tomato has the beneficial effects that the preparation can improve the fruit setting rate and fruit expansion speed of the tomato.

The invention discloses a sealing type wood door. The sealing type wood door comprises a door body and a door lock. The door lock is installed on the door body and comprises an insurance tongue lock pin and an insurance button. A water bag is arranged on the side of the periphery of the door body, the end, located in the door body, of the insurance tongue lock pin is connected with a transmission rod, and the sealing type wood door further comprises a liquid supply device. The liquid supply device comprises a push plate and a liquid tank, and the push plate is slidably connected with the liquid tank. The transmission rod is connected with the push plate, the liquid tank is divided into a left tank body and a right tank body by the push plate, and a first liquid guiding pipe communicating with the water bag is connected to the right tank body. By adoption of the scheme, when a user is in a house, the sealing type wood door can prevent wind from blowing into the house; in summer, quick temperature lowering can be conducted on the inside of the house by an air conditioner; and in winter, warm keeping can be conducted on the inside of the house.

The invention provides a cabin carbon dioxide fire extinguishing system of a semi-cold and semi-pressure carbon dioxide transport ship. The system is applied to the semi-cold and semi-pressure carbon dioxide transport ship. According to the system, a CO2 storage tank of the carbon dioxide transport ship is used for extinguishing a cabin, the whole cabin can be filled with CO2 in a short time, the requirement of the FSS rule in the SOLAS convention is met, and a traditional carbon dioxide high-pressure steel cylinder fire extinguishing system is replaced. According to the system, the liquid carbon dioxide is gasified in the cabin in a nozzle spraying gasification manner and a hot well gasification manner, the fire extinguishing efficiency of the ship cabin is greatly improved, and the safety of ship navigation is improved. The system effectively reduces the cost of the fire extinguishing system on the carbon dioxide transport ship, and has very high practical significance.

The invention relates to the technical field of rose essential oil manufacturing, and discloses a preparation and extraction equipment utilizing the viscosity characteristic of rose essential oil, the preparation and extraction equipment comprises a shell, the interior of the shell is fixedly connected with a sliding rail, the surface of the sliding rail is slidably connected with a preheating plate, the surface of the preheating plate is fixedly connected with an elastic rod, and the surface of the elastic rod is movably connected with an expansion ring; a separating mechanism is movably connected to the side, away from the elastic rod, of the preheating plate, vent holes are fixedly connected to the two ends of the sliding rail, and the separating mechanism comprises a silk screen. Liquid containing oil and water enters the separating mechanism through an inflow channel under the action of gravity, large liquid drops fall to the bottom of the separating mechanism under the action of gravity and flow out of the outflow channel, and small mist-shaped liquid drops are captured and condensed into large liquid drops by the silk screen and then fall to the bottom of an oil-water separator; the rose oil liquid and the water can be roughly separated according to the flowing-out sequence, so that the effect of improving the essential oil separation speed is achieved.

The invention discloses an isolated microwave control type blanking tube valve, and relates to the field of pipeline overhaul. The isolated microwave control type blanking tube valve comprises a mainpipeline, an elastic inner core pipe and two microwave heater modules, wherein multiple limited ropes are uniformly and fixedly connected between the inner surface of the main pipeline and the outer surface of the elastic inner core pipe; waterproof coatings are coated on the limited ropes; multiple elastic partition panels are uniformly and fixedly connected to the inner surface of the elastic inner core pipe along the up-and-down direction; and an expansion cavity is formed between each two elastic partition panels adjacent up and down. The isolated microwave control type blanking tube valveprovided by the invention has the beneficial effects that the main pipeline can be quickly sealed at any position, so that the leakage of liquid in the main pipeline is reduced, and unnecessary lossis reduced.

The invention discloses a fire rescue fire fighting device, and belongs to the technical field of fire fighting. According to the fire rescue fire fighting device, in a room where a fire fighting device needs to be installed, a thermal imager rotates around a water spraying head, the indoor environment is detected in real time, when a fire source occurs, the thermal imager stops rotating and stays in the direction with the fire source, an alarm is given to a water spraying sensor, meanwhile, heat of a fixed box body is increased through transmission of a large number of signals, ammonium chloride powder is heated and decomposed into hydrogen chloride gas and ammonia gas, a spherical air bag is expanded, magnetic insulation powder in an inner cavity of the spherical air bag is separated from one another, a spherical magnet generates adsorption force on a magnet in a water spraying head, the water spraying head rotates and inclines, the position with the fire source is sprayed with water, and meanwhile, water drops possibly generated on the surface of the thermal imager are adsorbed by a sponge strip through sliding chutes, so that the surface of the thermal imager is not likely to have the water drops, and the real-time monitoring effect of the thermal imager on the fire source is improved.

The invention discloses a vortex isolation control type stop pipe valve, and relates to the field of pipeline maintenance. The vortex isolation control type stop pipe valve comprises a main pipeline,an elastic inner core tube, a vortex heater and a temperature controller. A plurality of limiting ropes are uniformly and fixedly connected between the inner surface of the main pipeline and the outersurface of the elastic inner core pipe. Waterproof coatings are applied to the limiting ropes. A plurality of elastic partition plates are uniformly and fixedly connected to the inner surface of theelastic inner core pipe in the vertical direction. An expansion cavity is formed between every two up-and-down-adjacent elastic partition plates. Elastic balls with cavities inside the elastic balls are arranged in the expansion cavities. The vortex isolation control type stop pipe valve has the beneficial effects that the main pipeline can be quickly closed at any position, leakage of liquid in the main pipeline is alleviated, and unnecessary loss is reduced.

The present application provides a file system expansion method, device, electronic equipment, and storage medium, and relates to the technical field of data storage. The method includes: determining whether the file system satisfies the expansion condition according to the capacity of the newly added logical space of the file system and the size of the data block; The rate determines the expansion status value of the file system, and the expansion status value is used to indicate the expansion mode of the file system; the file system is expanded according to the expansion status value and the determined expansion parameters. In this method, when performing file system expansion, the utilization rate of system resources is used as a reference factor to determine the expansion state value, thereby determining the expansion mode, so as to realize the accurate judgment of whether the file system performs expansion, so that when the file system is expanded At the same time, it can also ensure the normal storage and update of data in the file system, and improve the storage service performance of the file system.

The invention discloses a low-energy pneumatic aftershock detection device, which includes a mounting base, and is characterized in that a box body is fixedly installed on the mounting base, and the box body is divided into an air pressure chamber and a detection chamber, and the air pressure chamber A solution is injected inside, and a trachea is fixedly inserted on the inner bottom wall of the detection cavity, and an air bag is installed on the trachea. The invention keeps the circuit in an open state through the device during detection. When aftershocks occur, the circuit is turned on, which reduces the circuit loss of the device, thereby greatly reducing the energy consumption of the device. It is suitable for use in earthquake areas and can be saturated by aftershocks The vibration of the carbonic acid solution produces carbon dioxide to expand the air bag to conduct the circuit. The structure is simple and the cost is low. The staggered arrangement of hollow balls and springs in the core tube can convert tiny vibrations into high-frequency vibrations, increasing the sensitivity of detection, and sodium peroxide powder The rapid reaction with distilled water produces a large amount of oxygen to rapidly inflate the air bag, increasing the response speed of the alarm.

The invention discloses a telescopic water pipe with an air inflation device. The telescopic water pipe comprises an elastic inner pipe and a protection outer sleeve. The elastic inner pipe is sleevedand connected with the protection outer sleeve, and an inner-outer dual pipe structure is formed. An airtight space is formed between the elastic inner pipe and the protection outer sleeve. The telescopic water pipe is provided with the air inflation device. The air inflation device is used for inflating air to the airtight space. Since the elastic inner pipe is likely to be damaged due to friction constantly produced between the elastic inner pipe and the protection outer sleeve, the service life of the telescopic water pipe is greatly shortened. According to the main design thought, the telescopic water pipe is provided with the air inflation device, the air inflation device can inflate air into the airtight space, the elastic inner pipe and the protection outer sleeve make no contact in the using process of the air-inflated telescopic water pipe, accordingly, constant telescopic friction between the elastic inner pipe and the protection outer sleeve is avoided, friction force between the elastic inner pipe and the protection outer sleeve is reduced to the minimum as far as possible, accordingly, thinning and damage of the elastic inner pipe are greatly avoided, and the servicelife of the telescopic water pipe is ensured and prolonged.