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45results about How to "Increase flushing pressure" patented technology

Flushing device for mechanical seal of centrifugal pump

ActiveCN106122108AFlow is stable and cleanPrevents deposition of particulate impuritiesPump componentsPumpsCentrifugal pumpOrifice plate
The invention discloses a flushing device for a mechanical seal of a centrifugal pump, and belongs to the technical field of centrifugal pumps. The flushing device comprises a flushing pipe connected to the centrifugal pump; the liquid feeding end of the flushing pipe is connected with the outlet end of the centrifugal pump; the liquid discharging end of the flushing pipe is connected with the mechanical seal of the centrifugal pump; the flushing device is characterized in that the flushing pipe is connected with a tubular filter, a pressure gauge and a throttling orifice plate; the tubular filter is close to the outlet end of the centrifugal pump; the throttling orifice plate is close to the mechanical seal of the centrifugal pump; a first stop valve and a second stop valve are arranged on the flushing pipe; the first stop valve is positioned between the outlet end of the centrifugal pump and the tubular filter; and the second stop valve is positioned between the pressure gauge and the throttling orifice plate. The flushing device can both achieve a good cooling effect on the mechanical seal and prevent particle impurities from being deposited on the sealing surfaces of movable and fixed rings, thus effectively protecting the sealing surfaces of the movable and fixed rings, relieving wear and enhancing the sealing effect; and therefore, normal and stable operation of the centrifugal pump is guaranteed.
Owner:CHINA PETROLEUM & CHEM CORP +1

Automatic vehicle washing device

The invention discloses an automatic vehicle washing device. The automatic vehicle washing device structurally comprises a bottom plate, racks and a control box. The bottom plate is a cavity shaped like a Chinese character 'hui', the interior of a bottom plate frame is divided into multiple drainage plate containing cavities through transverse square pipes and longitudinal square pipes, a circle of baffle is arranged at the bottom of each drainage plate containing cavity, and drainage plates are clamped to the baffles. The two corresponding sides of the bottom plate are perpendicularly connected with the racks, the racks are cavities and are communicated with inner cavities of the transverse square pipes and the longitudinal square pipes, multiple water spray holes are formed in transverse pipes of the racks, and multiple through holes are formed in the transverse square pipes. One end of the bottom plate is connected with a water inflow pipe, the free end of the water inflow pipe is connected with a water pump in the control box through a hose, and the control box controls the water pump to be opened and closed through signals via a remote control unit. The automatic vehicle washing device automatically washes an engineering vehicle, manual operation is not needed, the washed vehicle does not need to be parked, time is short, washing is complete, and consumed water is saved.
Owner:济南金水缘洗车设备有限公司

Multi-layer back flush anti-blocking artificial wetland system

The invention discloses a multi-layer back flush anti-blocking artificial wetland. The multi-layer back flush anti-blocking artificial wetland comprises an outer pond, an intercepting net, a pluralityof sub wetland systems, cutoff walls, secondary intercepting nets, a plurality of mud discharging ports, a plurality of filtration layers, bearing layers, pelelith layers, fine sand layers, light filler layers, organic layers, planting plates, aquatic plants, water collection grooves, a plurality of layers of back flush pipes, branch pipes, a total pipe, two sets of water outlets, conduits, clearwater outlets, an external air pump and a pressure water pump; the multi-layer back flush anti-blocking artificial wetland is simple in structure, the operation is convenient, flushing can be conducted on different layers according to the blockage conditions of the wetland, and the water outlets of the multi-layer back flush anti-blocking artificial wetland are formed to be of inclined structures, so that sprayed water forms a vortex shape; compared with a direct flow flushing mode, by adopting the mode, pollutants causing blockage on the filtration layers can be effectively removed, and thequick and efficient water saving back flush effect is achieved.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Improved lavage syringe

Provided is an improved lavage syringe. The improved lavage syringe includes a drip bucket, an infusion adjusting clamp and a tee pipe, a cavity is formed in the inner side of the drip bucket, the upper end of the drip bucket is provided with a puncture pipe, the lower end of the puncture pipe is hermetically connected to a medical two-way valve, the lower end of the medical two-way valve is hermetically connected to the cavity, the lower end of the drip bucket is provided with a first lavage pipe, the infusion adjusting clamp is installed on the outer side of the middle end of the first lavage pipe, the tee pipe is hermetically connected to the lower end of the first lavage pipe, the tee pipe includes a main pipe, the outer side of the middle end of the main pipe is hermetically connectedto a branch pipe, a first narrow throat is formed in the upper end of the branch pipe, the lower end of the first lavage pipe is hermetically connected to the outer side of the first narrow throat, the left end of the main pipe is provided with a dosing pipe, the dosing pipe is connected to a syringe body, the syringe body is installed on a syringe pump, a second narrow throat is formed in the right end of the main pipe, the outer side of the second narrow throat is provided with one end of a second lavage pipe, the outer side of the other end of the second lavage pipe is connected to one endof a connecting pipe in a clamping mode, and the other end of the connecting pipe is connected to a syringe pipe in a clamping mode.
Owner:LISHUI PEOPLES HOSPITAL

Low-carbon energy-saving sewage treatment system

The invention discloses a low-carbon energy-saving sewage treatment system and belongs to the technical field of sewage treatment. The sewage treatment system comprises an adjusting tank, an anaerobictank, an anoxic tank, an aerobic tank, a membrane biological reaction tank, a sludge tank and a clean water tank, and further comprises a clean water conveying mechanism. The clean water conveying mechanism comprises a water pumping cavity, a push rod, a connecting frame, an upper sealing disc, an upper driving air cylinder, a water pumping channel, a lower sealing disc, a lower driving air cylinder, a sealing piston and a driving device. The lower sealing disc is movably connected to the water pumping cavity, and the lower driving air cylinder is used for driving the lower sealing disc to rotate on the water pumping cavity so that the water pumping channel can be opened or closed. The driving device is used for driving the push rod and the sealing piston to move up and down in the waterpumping cavity, the upper sealing disc is movably connected to the sealing piston, and the upper driving air cylinder is used for driving the upper sealing disc to rotate on the sealing piston to openor close the center hole. A water feeding channel is formed on one side of the upper part of the water pumping cavity. The system has the advantages of low carbon, energy conservation, high sewage treatment quality, convenience in backwashing and the like.
Owner:湖南美源环保股份有限公司

Surface treatment process for aluminum rods

The invention discloses a surface treatment process for aluminum rods. The surface treatment process includes the specific steps of firstly, preparation of alkali liquor, wherein industrial caustic soda is put in an alkali pond, and the alkali liquor is prepared; secondly, alkali washing, wherein the to-be-washed aluminum rods are hoisted into the prepared alkali liquor through a crane, and the aluminum rods are fully submerged in the alkali liquor; thirdly, rinsing, wherein after alkali washing is completed, the aluminum rods are transferred into a rinsing pond; fourthly, washing, wherein after rinsing is completed, the aluminum rods are hoisted out of the water surface, and the interiors and the exteriors of the aluminum rods are repeatedly washed through a high-pressure tap water gun; fifthly, detection, wherein after washing is completed, the pH values of residual water of the aluminum rods are detected through pH test paper, the aluminum rods with the pH values ranging from 6.5 to 7.5 are qualified, and the disqualified aluminum rods are washed again; and sixthly, drying, wherein the aluminum rods detected to be qualified are stacked on a designated drying rack, and water is blown away through exhaust fans. The treated aluminum rods are good in cleanliness, product quality is stable, and it is guaranteed that following aluminum rod processed products have good consistency.
Owner:ZUNYI HENG JIA ALUMINUM CO LTD

Automatic washing machine and automatic washing method of gelatin dipping tray

The invention provides an automatic washing machine and an automatic washing method of a gelatin dipping tray. The automatic washing machine of the gelatin dipping tray comprises a spraying apparatus, a stander, a liquid charging apparatus, a power system, a circulating water tank, a technological water tank and an electrical control assembly, wherein the spraying apparatus is used for spraying water to an inner cavity and an outer wall of the gelatin dipping tray; the stander is used for supporting and sealing the spraying apparatus; the liquid charging apparatus is used for realizing the circulation and washing of circulating liquid; the power system is used for driving a gelatin dipping tray inner disc gear to rotate; the circulating water tank is used for holding the circulating liquid; the technological water tank is used for storing technological hot water; and the electrical control assembly is used for controlling the entire automatic washing process. By virtue of the automatic washing way, few operators are needed, so that the manpower cost is reduced, and the labor intensity is alleviated. The washing space is closed, so that the flushing water pressure can be increased, and the washing time and water consumption can be reduced. The water flow runs in the closed space, so that the air humidity and temperature in a room can be reduced, the working environment is improved, the air conditioner system load is reduced, and the quantity of microorganisms is reduced. The entire course of the automatic washing way is controlled by programs, so that the stability of the washing quality is guaranteed.
Owner:青岛益青生物科技股份有限公司

A centrifugal pump mechanical seal flushing device

ActiveCN106122108BMonitor pressure changes at any timeReduced pipeline flowPump componentsPumpsVena contracta diameterCooling effect
The invention discloses a flushing device for a mechanical seal of a centrifugal pump, and belongs to the technical field of centrifugal pumps. The flushing device comprises a flushing pipe connected to the centrifugal pump; the liquid feeding end of the flushing pipe is connected with the outlet end of the centrifugal pump; the liquid discharging end of the flushing pipe is connected with the mechanical seal of the centrifugal pump; the flushing device is characterized in that the flushing pipe is connected with a tubular filter, a pressure gauge and a throttling orifice plate; the tubular filter is close to the outlet end of the centrifugal pump; the throttling orifice plate is close to the mechanical seal of the centrifugal pump; a first stop valve and a second stop valve are arranged on the flushing pipe; the first stop valve is positioned between the outlet end of the centrifugal pump and the tubular filter; and the second stop valve is positioned between the pressure gauge and the throttling orifice plate. The flushing device can both achieve a good cooling effect on the mechanical seal and prevent particle impurities from being deposited on the sealing surfaces of movable and fixed rings, thus effectively protecting the sealing surfaces of the movable and fixed rings, relieving wear and enhancing the sealing effect; and therefore, normal and stable operation of the centrifugal pump is guaranteed.
Owner:CHINA PETROLEUM & CHEM CORP +1

Automatic car washing system

The invention discloses an automatic car washing system, which structurally comprises a bottom plate, a frame body and a control box. The bottom plate is in the form of a hollow-square-shaped cavity.The interior of a bottom plate frame is divided into a plurality of water filtering plate containing cavities through transverse square pipes and longitudinal square pipes. A circle of baffle is arranged at the bottoms of the water filtering plate containing cavities. Water filtering plates are clamped on the baffle. Two corresponding sides of the bottom plate are vertically connected with the frame body. The frame body is in the form of a cavity and is communicated with the inner cavities of the bottom plate, the transverse square pipes and the longitudinal square pipes. A plurality of waterspraying holes are formed in a transverse square pipes of the frame body. A plurality of through holes are formed in the transverse square pipes. One end of the bottom plate is connected with a waterinlet pipe. The free end of the water inlet pipe is connected with a water pump in a control box through a hose. The control box controls the opening and closing of the water pump through signals by aremote controller. The system automatically cleans an engineering car without the manual operation. Meanwhile, the cleaned car does not need to be stopped. The system is compact in time, thorough incleaning and water-saving.
Owner:蔡昭平

Boiler flue gas recovery heater

The invention provides a boiler flue gas recovery heater. The boiler flue gas recovery heater comprises a support and a shell fixed to the support. Two sealing plates are fixed in the shell. The two sealing plates partition an inner cavity of the shell into a first cavity, a second cavity and a third cavity in sequence from left to right. Heat conducting pipes are horizontally arranged in the second cavity. The two ends of the heat conducting pipes are located in the first cavity and the third cavity correspondingly. A water inlet pipe and water discharging pipes are fixed in the first cavity,the left ends of the water discharging pipes communicate with the water inlet pipe, and the right ends of the water discharging pipes are inserted into the left ends of the heat conducting pipes correspondingly. The left and right ends of the heat conducting pipes are each in the shape of a circular pipe, the middles of the heat conducting pipes are each in the shape of a circular cone, the maximum inner diameter and the minimum inner diameter of the middle of each heat conducting pipe are equal to the inner diameter of the left end and the inner diameter of the right end of each heat conducting pipe correspondingly, the outer diameter of each water discharging pipe is smaller than the inner diameter of the left end of each heating conducting pipe, and the inner diameter of each water discharging pipe is greater than the inner dimeter of the right end of each heat conducting pipe. The boiler flue gas recovery heater further comprises a water pump, an outlet of the water pump communicates with the water inlet pipe, and two water discharging outlets are formed in the bottom of the shell and communicate with the first cavity and the third cavity correspondingly. The boiler flue gas recovery heater provided by the invention has the advantage that the heat conducting pipes are convenient to clean.
Owner:朱陆一

Improved structure applicable to water tank

The invention relates to an improved structure applicable to a water tank. The improved structure comprises a water tank body and a water tank cover covering the water tank body. A drainage valve is arranged in the water tank body and controls drainage through a key arranged on the water tank cover, the drainage valve is integrally elliptically tubular in shape with the lower portion connected with an inserting socket, the lower end of the inserting socket necks down to form an elliptical inserting tube, grooves are arranged in the inserting tube, sealing rings are arranged in the grooves, an elliptical guiding drum matched with the inserting tube is arranged at the bottom wall of the water tank body, the drainage valve is fixedly connected in the water tank body by being inserted in the guiding drum through the inserting tube, sealing is formed by the sealing rings, and the lower bottom edge of the guiding drum protrudes out of the bottom wall of the water tank body to be connected with a matched elliptical drainage tube. By the water tank with the improved structure, effects of high flushing pressure and clean brushing can be guaranteed, the water tank can be thinned to 6cm to have the space saved, mounting and subsequent maintenance are facilitated, and attractiveness and practicability are achieved.
Owner:广东统用卫浴设备有限公司

Buried rainwater shunting system

The invention discloses a buried rainwater shunting system which comprises a shaft way, wherein a rainwater shunting device is arranged in the shaft way; a rainwater perforated strainer is arranged above the rainwater shunting device; the rainwater perforated strainer is fixedly arranged at the top of the shaft way through a well loop; the rainwater shunting device comprises a base plate; a passageway opening is formed in the middle of the base plate; a first fence is arranged on the peripheral edge of the passageway opening; a second fence is arranged on the peripheral edge of the base plate; a separation plate is arranged between the top of the first fence and the top of the second fence; a drainage pipeline is further arranged at the periphery of the second fence; the rainwater perforated strainer comprises a perforated strainer body; a plurality of first rainwater gaps are formed in the perforated strainer body; a plurality of second rainwater gaps are formed in the peripheral edges of the first rainwater gaps; the width of each second rainwater gap is less than that of each first rainwater gap; and flow turbulence bulges are further arranged on the surface of the perforated strainer body on one side, which is located in a first mesh region, of the second rainwater gaps. The buried rainwater shunting system can effectively separate rainwater and reduce the rainwater treatment difficulty and cost and is high in recycling efficiency.
Owner:SUZHOU CHURUN ECOLOGICAL TECH

Full-sealed energy-saving type small toilet bowl water flushing device

The invention relates to architectural bathroom equipment, and discloses a full-sealed energy-saving type small toilet bowl water flushing device. The full-sealed energy-saving type small toilet bowl water flushing device comprises a water tank; a water inlet pipe, a water drainage pipe and a switch valve are installed on the water tank. The full-sealed energy-saving type small toilet bowl water flushing device is characterized in that the water tank is of a full-sealed type structure; a one-way valve is installed in the water inlet pipe; a water drainage valve is installed at the position of an inner pipe opening of the water drainage pipe; the water drainage valve is of a piston cylinder type structure; the switch valve is a magnetic pushing type structure valve; in addition, a first decompression pipe is installed between a water inlet way of the switch valve and a water storage cavity of the water drainage valve for communication; a second decompression pipe is installed between a water outlet way of the switch valve and the water drainage pipe for communication. The full-sealed energy-saving type small toilet bowl water flushing device is compact in structure, reliable in work, long in service life, high in flushing intensity and suitable for being matched with various bathrooms in use; the size of the water tank is greatly reduced; the water using amount is reduced, and water resources are saved.
Owner:HUANGSHI SEASEN ENERGY CONSERVATION TECH DEVEMENT

Anti-shaft-wrapping structure and anti-shaft-wrapping method of concrete mixer

The invention discloses an anti-shaft-wrapping structure of a concrete mixer. The anti-shaft-wrapping structure of the concrete mixer comprises a stirring tank of a stirring machine, wherein a flushing pipe is arranged above each stirring shaft of the stirring tank; multiple spray heads are arranged on each flushing pipe in a spaced manner; the center of a water spraying direction of each spray head directly faces the corresponding stirring shaft below; a water spraying area of each spray head forms a conical area from top to bottom; an included angle alpha of two busbars, located on the samevertical cross section, of each conical area is 65+/-2 degrees; a flushing water pump is arranged outside the stirring tank; a water outlet of the flushing water pump is connected with each flushing pipe through a water outlet pipe; the flushing water pump is connected with an electronic control device; a pressure water tank is arranged on the water outlet pipe; a pressure sensor is arranged on the pressure water tank; an the working pressure of the pressure water tank is 0.33+/-0.03MPa. The invention further discloses an anti-shaft-wrapping method using the anti-shaft-wrapping structure. According to the anti-shaft-wrapping structure and the anti-shaft-wrapping method of the concrete mixer provided by the invention, the occurrence of the shaft-wrapping phenomenon is greatly reduced by 75percent compared with the prior art, the stirring efficiency is remarkably improved, and the electricity consumption, the labor cost, the maintenance fitter cost and the mechanical accessory maintenance cost are saved.
Owner:ZHENGZHOU MUNICIPAL ENG CORP

Treatment system capable of adjusting total soluble substances and total hardness of water

The invention discloses a treatment system capable of adjusting the total soluble substances and total hardness of water. The system comprises a water inlet; the water inlet is connected with an uppercirculating water pipe, a lower circulating water pipe and a water cooling pump; the other end of the water cooling pump is connected with the upper circulating water pipe and sequentially connectedwith a switch, a one-way valve, a pressure reduction stabilizing valve and a proportional valve; the proportional valve is connected with a parallel water inflow pipe; the parallel water inflow pipe is connected with the upper end of a parallel RO filter; the lower end of the RO filter is connected with a parallel water outflow pipe; the parallel water outflow pipe is connected with a parallel water tank; the lower end of the parallel water tank is connected with a mixing chamber through the parallel water outflow pipe; and a water outlet (12) is formed in the lower edge of the mixing chamber.The flow of the proportional valve can be adjusted as required to control the total hardness requirement of the soluble substances of the water, and requirements for water with various hardness can be met as required; not only is the daily life drinking requirement of people met, but also industrial water use requirements under different hardness conditions are met.
Owner:精器(北京)咖啡科技有限公司

Raw material cleaning system for gelatin production

The invention discloses a raw material cleaning system for gelatin production. The raw material cleaning system structurally comprises a cleaning chamber, a conveying mechanism, an upper spray head, a lower spray head, a water tank, a first magnetic adsorption part and a second magnetic adsorption part. Wherein the conveying mechanism horizontally penetrates through the cleaning chamber, and a conveying belt of the conveying mechanism is of a porous structure. The multiple upper spray heads are distributed above the conveying belt at intervals in the conveying direction of the conveying mechanism. The lower nozzles are distributed between the upper conveying belt and the lower conveying belt at intervals in the conveying direction of the conveying mechanism. And the water tank is connected with the upper nozzle and the lower nozzle. The first magnetic adsorption piece is fixed to the outer surface of a conveying belt of the conveying mechanism through a connecting rod. The multiple second magnetic adsorption parts are distributed above the conveying belt at intervals in the conveying direction of the conveying mechanism, the polarities of the magnetic poles of the adjacent second magnetic adsorption parts are opposite, the system can achieve a better cleaning effect on animal fur through the spraying system, and the content of impurities in gelatin liquid is reduced.
Owner:山东恒鑫生物科技有限公司

Tooth flusher

The invention provides a tooth flusher which comprises a temperature control base, a liquid injection bottle, a driving control part and a tooth washing assembly, the liquid injection bottle is connected to the temperature control base, the temperature control base is used for heating liquid in the liquid injection bottle, the driving control part is connected to the top of the liquid injection bottle, the liquid injection bottle is provided with a liquid outlet pipe, and the liquid outlet pipe is connected to a bottle opening of the liquid injection bottle; at least one liquid injection hole is formed between the liquid outlet pipe and the bottle opening, a first liquid conveying channel is arranged at the bottom of the driving control part and connected with the liquid outlet pipe, the driving control part is used for conveying liquid in the liquid injection bottle to the tooth washing assembly, the tooth washing assembly comprises a guide pipe and an outlet nozzle, and the inner diameter of the guide pipe is larger than that of the outlet nozzle. The structural layout of different function realization areas is reasonable, the temperature control base is not in direct contact with liquid in the liquid injection bottle, and the hidden danger of electric leakage is avoided; the temperature control base, the liquid injection bottle and the driving control part can be independently taken out through disassembly and are convenient to maintain; by reducing the inner diameter in the outlet nozzle, the flow area is reduced, and the flushing pressure is improved.
Owner:珠海市尼诺生物科技有限公司

Quick flushing method for supplementing water before pumping and draining water after pumping of air conditioner water pipeline

The invention relates to a quick flushing method for replenishing water before pumping and draining water after pumping of an air conditioner water pipeline. The method comprises the following steps that 1, a flushing loop can be connected after pressure testing of a pipeline is completed, and a flushing temporary piping is arranged; 2, a temporary water replenishing pump is used for replenishing water into the pipeline, exhausting is completed, and the temporary water replenishing pump is stopped; 3, a formal pump is started to carry out closed circulating flushing, the pressure is controlled to be 0.4-0.5 Mpa during circulating flushing, continuous flushing is carried out for about 1.5 hours, and the pump can be temporarily stopped to clean a filter for 2-3 times in the process; and 4, a drainage valve is opened, meanwhile, the temporary water replenishing pump is opened. The method of conducting water supplementing and drainage at the same time is adopted, the flushing pressure is controlled to be 0.5 Mpa, it is guaranteed that the water supplementing amount is larger than or equal to the water displacement, and the pipeline flushing pressure is high, the flow speed is high, the flushing time is short, and the flushing effect is good.
Owner:SHANGHAI BAOYE GRP CORP

Intelligent car washing remote control device

An intelligent car washing remote control device structurally comprises a bottom plate, a frame body and a control box; the bottom plate is a cavity shaped like the Chinese character 'hui'; the interior of the bottom plate frame is divided into a plurality of water filtering plate containing cavities through transverse square pipes and longitudinal square pipes; a circle of baffle is arranged at the bottoms of the water filtering plate containing cavities, and water filtering plates are clamped on the baffle; the two corresponding sides of the bottom plate are vertically connected with the frame body, and the frame body is a cavity and communicates with inner cavities of the bottom plate, the transverse square pipes and the longitudinal square pipes; a plurality of water spraying holes areformed in a transverse pipe of the frame body, and a plurality of through holes are formed in the transverse square pipes. One end of the bottom plate is connected with a water inlet pipe, the free end of the water inlet pipe is connected with a water pump in a control box through a hose, and the control box controls opening and closing of the water pump through signals by a remote controller. The equipment automatically cleans engineering vehicles, manual operation is not needed, cleaned vehicles do not need to be stopped, time is saved, cleaning is thorough, and water is saved.
Owner:阎鑫锟

Flushing and sand-removing device for ship flap rudder bearing

InactiveCN102923274BHigh sediment washing efficiencyImprove flushing efficiencyVessel cleaningHullsCouplingBottle
The invention discloses a seawater rotational-flow filtering and air-water hybrid flushing device for flushing and removing sand of a ship flap rudder bearing. The bottom of a seawater header pipe is communicated with a sea chest; the upper part of the seawater header pipe is connected with a water inlet of a seawater pump; the water outlet of the seawater pump is connected with a water inlet at the top of a fine taper pipe type hydrocyclone; the bottom of the fine taper pipe type hydrocyclone is a fine taper end; the top of the fine taper pipe type hydrocyclone is connected with a filter with a super filter screen through a pipeline; the filter with the super filter screen is connected with a Venturi pipe injector; an air source inlet of the Venturi pipe injector is connected with a high-pressure air bottle; the high-pressure air bottle is connected with an air compressor; the outlet of the Venturi pipe injector is connected with a screw coupling; the screw coupling is connected with a hollow flap rudder column which is provided with a bearing; and high-pressure air and cleaned flushing seawater are mixed by the Venturi pipe injector to increase flow speed and pressure, so that mud and sand in the flap rudder bearing is flushed, and a sand-removing effect is good.
Owner:JIANGSU UNIV OF SCI & TECH
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