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37results about How to "Harm will not" patented technology

Polyolefine sheathing compound for coaxial cable and preparation method thereof

The invention discloses a polyolefine sheathing compound for a coaxial cable and a preparation method thereof. The sheathing compound consists of the following components in parts by weight: 60-90 parts of ethylene-propylene-diene rubber, 5-25 parts of high-density polyethylene, 5-15 parts of functional polyolefin resin, 180-200 parts of flame retardant, 1-3 parts of surface modifier, 0.01-0.05 part of crosslinking agent, 0.5-2 parts of antioxidant and 1.5-9 parts of processing aid. The preparation method comprises the following steps of: putting the flame retardant into a high-speed stirrer for stirring at a high speed at the temperature of not lower than 80 DEG C; adding organosilane and stirring for 3-5 minutes; putting the remaining materials into the high-speed stirrer for continually stirring for 3-5 minutes; adding into a double-screw mixing extruder set by using a feeder for pelletizing; and drying. The sheathing compound has the advantages of flame retardance, low smoke, freeness from halogen, low toxicity, freeness from harmful heavy metals such as lead, cadmium and the like, freeness from phosphorus, difficulty in burning and small smog harm in case of fire, environmental friendliness, high temperature resistance level of 105 DEG C, high extruding performance, excellent electric performance, no need of subsequent crosslinking after stranding, saving in a large amount of manpower and materials and great reduction in the manufacturing period of the cable.
Owner:KINGFA SCI & TECH CO LTD +2

Innocent treatment method and system for ill and dead animals and unqualified meat products

The invention provides an innocent treatment method and system for ill and dead animals and unqualified meat products, relates to the field of innocent treatment and aims to solve the problems that resources are wasted in unqualified processing treatment manners of an existing ill and dead animals and unqualified meat products, and the existing ill and dead animals and unqualified meat products have hidden dangers in disease spread and environment pollution. The treatment method comprises the following steps: crushing to-be-treated materials, and cooking and sterilizing crushed blood for 30 minutes at 135 DEG C under the pressure of 0.3MPa; cooking and sterilizing the crushed materials for 30 minutes at 135 DEG C under the pressure of 0.3MPa, carrying out drying and dewatering until the water content of the crushed materials is lower than 15%, carrying out oil-dreg separation, and finally squeezing material dreg after grease is separated, so as to obtain meat and bone meal. The treatment system comprises a crushing device, a sterilizing pot, a cooling device, innocent treatment kettles, an oil-dreg separation device and a squeezing-degreasing device. The innocent treatment method and system can be applied to the recycling and innocent treatment of the ill and dead animals and the unqualified meat products from various sources.
Owner:SHENZHEN GENUO ZHIJIN TECH DEV

Sound insulation coating for building floor and preparation method thereof

The invention discloses a sound insulation coating for a building floor and a preparation method of the sound insulation coating. The sound insulation coating for the building floor comprises the following components in percentage by weight: 8%-15% of an acrylic emulsion, 5%-7% of floating beads, 38%-45% of stone-free mineral wool, 3%-5% of mica powder, 1%-5% of butadiene-acrylonitrile rubber powder, 30%-35% of water and 1% of auxiliary materials, wherein the acrylic emulsion is a compound emulsion of an acrylic elastic emulsion and an acrylic styrene-acrylic emulsion in a mass ratio of (11-15): (6-9). According to the sound insulation coating for the building floor, the compound emulsion of the acrylic acid elastic emulsion and the acrylic acid styrene-acrylic emulsion is used as a basicglue emulsion of the coating, and the components such as the floating beads, the stone-free mineral wool, the mica powder and the butyronitrile rubber powder are matched for use, so the sound insulation coating has good sound insulation and shock absorption effects and also has excellent water resistance. The preparation method is mild in conditions and low in energy consumption, and can effectively prepare and produce the sound insulation coating for the building floor on a large scale.
Owner:惠州市百胜声学科技有限公司

Alkaline detergent for fruit and vegetable and preparation method thereof

The invention discloses an alkaline detergent for fruit and vegetable and a preparation method thereof, and belongs to the technical field of daily chemical products. The alkaline detergent for fruitand vegetable comprises modified sepiolite, carbomer, sodium chloride, a surfactant, sodium bicarbonate, gellan gum and water, wherein the modified sepiolite is prepared by mixing and dispersing sepiolite powder and a magnesium nitrate solution to obtain a dispersing solution, reacting with ammonium hydroxide used as a precipitator, ageing, concentrating in a pressure reduction manner, cooling, filtering, drying and roasting; when preparing the detergent, carbomer, gellan gum and water are mixed; then sodium bicarbonate is added; pH is regulated; finally the modified sepiolite, sodium chlorideand the surfactant are added; and all materials are mixed and filled to obtain the alkaline detergent for fruit and vegetable. According to the technical scheme, the prepared alkaline detergent for fruit and vegetable has the characteristics of being outstanding in sterilizing and inhibiting bacteria, capable of removing pesticide, and obvious in cleaned fruit and vegetable storing stability by being compared with a traditional detergent for fruit and vegetable.
Owner:常州市瑞泰物资有限公司

High-strength flame-retardant thermal insulation composite building material and preparation method thereof

The invention discloses a high-strength flame-retardant thermal insulation composite building material and a preparation method thereof. The high-strength flame-retardant thermal insulation compositebuilding material is prepared from the following raw materials in parts by weight: 20 to 25 parts of polyethylene resin, 15 to 25 parts of perlite, 10 to 15 parts of light calcium carbonate, 15 to 25parts of aluminate refractory cement, 6 to 10 parts of carbon fibers, 10 to18 parts of methyl methacrylate, 1 to 5 parts of titanium dioxide, 10 to 20 parts of glass fiber powder and 5 to 10 parts ofnanosilicon. Since the invention adopts the raw materials to be combined according to the scientific proportion, the prepared composite material has a good environment-friendly effect, and moreover, since the polyethylene resin, the aluminate refractory cement, the perlite and the light calcium carbonate are adopted, the composite building material does not have harm to the environment, and cannotrelease poisonous substances; in addition, since the flame-retardant thermal insulation composite building material provided by the invention is prepared by the specific component proportion and thespecific method, the flame-retardant property reaches level A, the heat conductivity coefficient reaches 0.026W / m-K or less, and furthermore, the compressive strength reaches 10MPa or above; and the product disclosed by the invention has the characteristics of light volume weight, low heat conductivity coefficient, low density and high strength.
Owner:安徽嘉中金属材料有限公司

Indoor or interior second hand smoking direct exhaust device

The invention discloses an indoor or interior second hand smoking direct exhaust device, comprising a smoke adsorbing and puffing device, a socket joint type tubular fan and a stress application smokeventilator, wherein the smoke adsorbing and puffing device comprises a smoke puffing port and a smoke adsorbing and puffing port, and a clamping groove for clamping cigarettes, and is connected witha fan or the socket joint type tubular fan by a soft pipe, and the smoke adsorbing and puffing device is internally provided with a protection net and an ash tray, and a trigger type linkage device which can lead cigarettes to pass in and out at the smoke adsorbing and puffing port and disposable sanitary port sleeve which are additionally arranged on the smoke puffing port and the smoke adsorbingand puffing port; the stress application smoke ventilator can be connected by the soft pipe to cause smoke generated by burning the cigarettes or smoke in a mouth of a smoker to be exhausted to outdoor or exterior. By adopting the technical proposal, compared with the prior art, the device has simple structure and can not harm other persons, thereby being popularized and applied.
Owner:乔建春

Farm personnel sterilizing device

The invention discloses a farm personnel sterilizing device which comprises an ozone generator, a sterilizing cabin and a control device. The inside of the sterilizing cabin is hollow, a door openingis formed in the side wall, a door plate is arranged at the door opening, a separating plate is movably arranged in the sterilizing cabin and divides the inside of the same into a breathing cavity andthe sterilizing cavity, the top of the separating plate is connected with an extensible rod fixedly connected with the top of the sterilizing cabin, a through hole for the head of personnel to penetrate and extend into the breathing cavity is formed in the separating plate, a sealing device for sealing a gap between the neck of the sealing personnel and the inner wall of the through hole is arranged on the side wall of the through hole, a control device is arranged in the sterilizing cavity and electrically connected with the extensible rod and the ozone generator, and the output end of the ozone generator is connected with an air blowing pipe extending into the sterilizing cavity and used for feeding ozone generated by the ozone generator into the sterilizing cavity. The farm personnel sterilizing device is compact and reasonable in structure, small in occupied space, capable of realizing quick sterilizing of personnel going in and out, free of harm to human body and suitable for various farms to use.
Owner:广东广垦畜牧工程研究院有限公司

Target material cleaning method

The invention discloses a target material cleaning method. The cleaning method is characterized in that a dry ice spray gun group and a cleaning table move relatively, so that a dry ice spray gun completely covers a target material for cleaning. According to the target material cleaning method, dry ice is used for cleaning the target material through cleaning equipment, the target material is completely covered for cleaning, the cleaning time is shortened, and target material oxide is effectively removed.
Owner:东莞市欧莱溅射靶材有限公司 +1

Micro-nano super-hydrophobic film on metal substrate surface, preparation method and application thereof

In order to solve the problems existing in preparation of a metal material super-hydrophobic film in the prior art, the invention provides a micro-nano super-hydrophobic film on a metal substrate surface, a preparation method and application thereof. The preparation method comprises the following step (1) of taking pure water with the resistivity of 1.0 [mu]S / cm-50.0 [mu]S / cm as solvents, and dispersing fatty acid salts or detergents containing the fatty acid salts in the pure water for forming uniform aqueous solutions or emulsion, wherein the detergents containing the fatty acid salts comprise different kinds of toilet soap, washing soap, laundry powder, detergents, liquid laundry detergents and hand lotion containing the above components; and the step (2) of soaking cleaned metal materials in the aqueous solutions or the emulsion obtained in the step (1) at 0-60 DEG C, so that a super-hydrophobic film is formed on the surface of the metal substrate. The super-hydrophobic film prepared with the preparation method is of stripy, irregular flaky and acicular micro-nano structures, and the static contact angle with water is larger than 150 DEG.
Owner:ANYANG INST OF TECH

Electronic cigarette tobacco tar taking water matrix atomized liquid

The invention discloses electronic cigarette tobacco tar taking water matrix atomized liquid. The electronic cigarette tobacco tar is prepared from, by weight, 80-98.5% of water, 0.5-10% of nicotine or tobacco extract and 1-10% of spice, wherein the tobacco extract is a mixture which is extracted from tobacco and at least contains 10% of nicotine; and the perfume is one or a mixture of more than two of natural perfume or artificial perfume. The electronic cigarette tobacco tar taking the water matrix atomized liquid solves the problem of smoking when an electronic cigarette is used, organic solvent matrix atomized liquid and fine smoke particles cannot be inhaled, and environmental pollution and harm to human health are reduced.
Owner:SEASONS BIOTECHNOLOGY (TAIZHOU) CO LTD

Pollution-free insecticide for Chinese herbal medicine planting and preparation method thereof

The invention discloses pollution-free insecticide for Chinese herbal medicine planting. The pollution-free insecticide is composed of, by mass, 30-40 parts of garlic, 30-40 parts of chilli, 10-20 parts of pyrethrum extract, 15-25 parts of fructus cnidii, 30-40 parts of sapindus mukorossi, 20-30 parts of herba houttuyniae, 20-30 parts of orange peel, 20-30 parts of anise, 10-20 parts of pepper, 10-20 parts of datura stramonium, 10-20 parts of pumpkin leaf extract, 10-20 parts of folium artemisiae argyi, 20-30 parts of bitter gourd, 10-20 parts of celery extract, 10-20 parts of camphor leaf extract, 10-20 parts of radix bupleuri and 300-400 parts of water. Plants are taken as raw materials for production, so that the pollution-free insecticide is free of side effect on and nontoxic to humanand livestock and can kill pest on Chinese herbal medicine plants; the raw materials are easy to get, so that the pollution-free insecticide is low in raw material cost and harmless to environment; the preparation process is simple in operation and easy in production, and no damage is caused to environment and operating personnel during production.
Owner:江西樟树成方中药饮片有限公司

Bean flour for cleaning greasy dirt and application method thereof

The invention discloses bean flour for cleaning greasy dirt and an application method thereof, and aims at providing bean flour which is strong in detersive power and free of harm to a human body, and an application method thereof. The technical main points are that the bean flour for cleaning greasy dirt is soybean flour of which the grain size is 150-600 meshes. The application method of the bean flour is as follows: 0.5-100 parts of bean flour and 100 parts of water are evenly mixed to clean the to-be-cleaned part. The bean flour belongs to the technical field of a cleaning agent.
Owner:颜亚秀

Pure fluff pulp cigarette filter rod and preparation method thereof

InactiveCN101933662AAchieve successSolve technical problems that were longed to be solved but never succeededTobacco smoke filtersTarFluff pulp
The invention belongs to the technical field of cigarette filter rods, and specifically relates to a pure fluff pulp cigarette filter rod and a preparation method thereof. A filter element of the pure fluff pulp cigarette filter rod consists of 60 to 90 mass percent of fluff pulp and 10 to 40 mass percent of cured binding agent. The pure fluff pulp cigarette filter rod is prepared by adopting pure fluff pulp as a raw material, has strong filtering and absorptive capacity, can reduce the tar content very well to reduce harms caused by cigarettes to a human body; besides, the pure fluff pulp cigarette filter rod can be degraded naturally after being used and cannot cause harms to the environment.
Owner:谢义斌 +1

Alkali-free and chlorine-free concrete accelerator based on magnesium carbonate trihydrate

The invention discloses an alkali-free concrete accelerator based on magnesium carbonate trihydrate, and a using method thereof, and belongs to the technical field of accelerators. The accelerator component is magnesium carbonate trihydrate and accounts for 50-80% of the total amount of the accelerator, and the total doping amount of other raw materials is 20-50% of the total amount of the accelerator. The accelerator is free of alkalis and chlorine, and has little influence on the environment and personnel when in use; the accelerator has a remarkable coagulation accelerating effect at a lowmixing amount, the coagulation times of different cements can meet the accelerator using requirements of concrete in GB / T 35159-2017, the 28d compressive strength is increased by 26.7-33.0%, and the accelerator has good adaptability to different cements. Alkali-aggregate reaction and corrosion to reinforcing steel bars, caused by increase of the total alkali content, can be avoided. One of other auxiliary materials is a substance capable of reducing the concentration of calcium ions in a mixture solution, such as ground slag; and the other one is a carbonate substance used as a seed crystal, such as calcium carbonate, so that the compactness and durability of the concrete can be improved, the later strength of the concrete is improved, greenness and environmental protection are achieved, and the construction requirements of different environmental conditions are met.
Owner:UNIV OF SCI & TECH BEIJING

Method and system for harmless treatment of diseased, dead animals and unqualified meat products

The invention provides an innocent treatment method and system for ill and dead animals and unqualified meat products, relates to the field of innocent treatment and aims to solve the problems that resources are wasted in unqualified processing treatment manners of an existing ill and dead animals and unqualified meat products, and the existing ill and dead animals and unqualified meat products have hidden dangers in disease spread and environment pollution. The treatment method comprises the following steps: crushing to-be-treated materials, and cooking and sterilizing crushed blood for 30 minutes at 135 DEG C under the pressure of 0.3MPa; cooking and sterilizing the crushed materials for 30 minutes at 135 DEG C under the pressure of 0.3MPa, carrying out drying and dewatering until the water content of the crushed materials is lower than 15%, carrying out oil-dreg separation, and finally squeezing material dreg after grease is separated, so as to obtain meat and bone meal. The treatment system comprises a crushing device, a sterilizing pot, a cooling device, innocent treatment kettles, an oil-dreg separation device and a squeezing-degreasing device. The innocent treatment method and system can be applied to the recycling and innocent treatment of the ill and dead animals and the unqualified meat products from various sources.
Owner:SHENZHEN GENUO ZHIJIN TECH DEV

Degradable earthworm box made of corn bran and preparation method thereof

The invention discloses a preparation method for a degradable earthworm box made of corn bran. The method comprises five steps of pruning and cleaning, softening and flattening, weak alkali treatment,sizing and shaping, and softening and box preparing. The invention also discloses a degradable earthworm box made of corn bran which is prepared by the above preparation method. The preparation method is simple, the prepared degradable earthworm box made of corn bran has excellent mechanical performance and good environmental protection performance, and reuse of waste is realized.
Owner:NANJING FORESTRY UNIV

Polyolefine sheathing compound for coaxial cable and preparation method thereof

The invention discloses a polyolefine sheathing compound for a coaxial cable and a preparation method thereof. The sheathing compound consists of the following components in parts by weight: 60-90 parts of ethylene-propylene-diene rubber, 5-25 parts of high-density polyethylene, 5-15 parts of functional polyolefin resin, 180-200 parts of flame retardant, 1-3 parts of surface modifier, 0.01-0.05 part of crosslinking agent, 0.5-2 parts of antioxidant and 1.5-9 parts of processing aid. The preparation method comprises the following steps of: putting the flame retardant into a high-speed stirrer for stirring at a high speed at the temperature of not lower than 80 DEG C; adding organosilane and stirring for 3-5 minutes; putting the remaining materials into the high-speed stirrer for continually stirring for 3-5 minutes; adding into a double-screw mixing extruder set by using a feeder for pelletizing; and drying. The sheathing compound has the advantages of flame retardance, low smoke, freeness from halogen, low toxicity, freeness from harmful heavy metals such as lead, cadmium and the like, freeness from phosphorus, difficulty in burning and small smog harm in case of fire, environmental friendliness, high temperature resistance level of 105 DEG C, high extruding performance, excellent electric performance, no need of subsequent crosslinking after stranding, saving in a large amount of manpower and materials and great reduction in the manufacturing period of the cable.
Owner:KINGFA SCI & TECH CO LTD +2

A kind of environment-friendly smoking room with isolation room

The invention discloses an environment-friendly smoking room with an isolation room, which comprises a smoking room, the smoking room is fixed on a support plate, wheels are arranged at the bottom of the support plate, an isolation room is arranged on the right side of the smoking room, and the top of the smoking room is fixed There is a motor box, a filter box is fixed on the top of the motor box, an ash suction motor box is fixed on the bottom of the rear panel of the smoking room, a blower air pump is installed above the ash suction motor box, and an isolation door is installed on the right side wall of the isolation room. There is a smoking door on the left side wall of the isolation room, an isolation smoking plate is fixed on the top side wall of the isolation room, an ash suction plate is installed around the inner wall of the smoking room, an ash tank is fixed in the middle of the inner side wall of the smoking room, and an ash tank is installed directly above the ash tank. There is a fume hood, the side wall below the ash tank is provided with a blower port, the filter water tank is fixed on both sides of the center of the filter box, the outer wall of the filter water tank is interlaced and fixed with partitions, and the filter screen is fixed between the partitions; The board improves the cleaning ability of the smoking room, and the isolation room can prevent the smoke from being discharged.
Owner:嵊州市鉴亭新材料科技有限公司

A kind of non-alkali and chlorine-free concrete quick-setting agent based on magnesium carbonate trihydrate

The invention discloses an alkali-free concrete accelerator based on magnesium carbonate trihydrate, and a using method thereof, and belongs to the technical field of accelerators. The accelerator component is magnesium carbonate trihydrate and accounts for 50-80% of the total amount of the accelerator, and the total doping amount of other raw materials is 20-50% of the total amount of the accelerator. The accelerator is free of alkalis and chlorine, and has little influence on the environment and personnel when in use; the accelerator has a remarkable coagulation accelerating effect at a lowmixing amount, the coagulation times of different cements can meet the accelerator using requirements of concrete in GB / T 35159-2017, the 28d compressive strength is increased by 26.7-33.0%, and the accelerator has good adaptability to different cements. Alkali-aggregate reaction and corrosion to reinforcing steel bars, caused by increase of the total alkali content, can be avoided. One of other auxiliary materials is a substance capable of reducing the concentration of calcium ions in a mixture solution, such as ground slag; and the other one is a carbonate substance used as a seed crystal, such as calcium carbonate, so that the compactness and durability of the concrete can be improved, the later strength of the concrete is improved, greenness and environmental protection are achieved, and the construction requirements of different environmental conditions are met.
Owner:UNIV OF SCI & TECH BEIJING

Virus-killing space spray and preparation method thereof

The invention discloses a virus-killing space spray and a preparation method thereof. The virus-killing space spray comprises the following components in parts by weight: 400 parts of curcuma zedoary,80 parts of cape jasmine and 180 parts of coptis chinensis, and the preparation method comprises the following steps: S1, adding 400 parts of curcuma zedoary, 80 parts of cape jasmine and 180 parts of coptis chinensis into 8000 parts of purified water, and heating with big fire until the liquid is boiled; and S2, continuously heating for 50 minutes by using medium fire, decocting to obtain 4900 to 5100 parts of liquid medicine, sealing, and storing. The curcuma zedoary is a finished product prepared by a pharmaceutical factory. The virus-killing space spray can well kill viruses in the environment, prevents harm to human beings, is simple to prepare, convenient to use and good in disinfection effect, is prepared by decocting traditional Chinese medicines, and does not cause harm to humanbodies.
Owner:陈小萍

Polytetrafluoroethylene valve bank

The invention discloses a polytetrafluoroethylene valve bank, and relates to the technical field of valve banks. The polytetrafluoroethylene valve bank comprises a first connecting transverse pipe, first flange plates are welded to the two ends of the first connecting transverse pipe correspondingly, and bent pipes are arranged at the two ends of the first connecting transverse pipe correspondingly. Water in the bent pipes can be stirred. Through the hollow arrangement of an inclined handle and a vertical column, a descaling agent or a reagent for removing impurities can be added, and throughstirring of a stirring fan, the situation that a large amount of scale is formed on the inner wall of the first connecting transverse pipe can be reduced, so that sewage can be quickly discharged, andthe phenomena that scale is too much, a large amount of sewage is blocked at a pipeline, pressure is caused to the pipeline, the pipeline breakage condition is caused, property loss is caused, and subsequent cleaning also increases the certain labor intensity are avoided. Impurities in the sewage can be filtered and shielded through a circular filter screen. The first connecting transverse pipe and the bent pipes are detachably arranged through the first flange plates, and the circular filter screen can be cleaned.
Owner:胜利油田金岛工程安装有限责任公司

Real-time monitoring method and system for medical linear accelerator use environment

The invention discloses a real-time monitoring method and system for the use environment of a medical linear accelerator, comprising: fluorescently marking alpha particles; accelerating the radiated particles and the marked alpha particles in the same magnetic field respectively, and outputting them separately through the medical linear accelerator; The accelerated alpha particles are blocked by a fluorescent display screen; a safe area is set on the fluorescent display screen, and whether the change of the magnetic field has an impact on the radiation field is judged by the number of the alpha particles falling into the safe area. The invention prevents the harm to the patient's physical condition caused by equipment reasons during the tumor elimination radiotherapy operation.
Owner:SHANDONG UNIV

Synthetic method of benzimidazole compounds

ActiveCN109096205AEasy to makeThe preparation of green is simple and efficientOrganic chemistryHalogenHydrogen
The invention discloses a synthetic method of benzimidazole compounds. The synthetic route of the synthetic method is shown in the description. The method comprises the following steps: 1) substitutedo-phenylenediamine (I), aromatic aldehyde (II) and L-carnitine are added to a solvent for a heating reaction, and a crude product is obtained; 2) the crude product obtained in step 1) is filtered, solid substances are collected and dried, and the benzimidazole compounds (III) are obtained, wherein Ar of aromatic aldehyde is a benzene ring with substituents in ortho-position, meta-position and / orpara-position, and the substituents comprise halogen, methoxy and nitro; R of substituted o-phenylenediamine comprises hydrogen and nitro. According to the synthetic method, starting materials are cheap and easily available, reaction conditions are relatively mild, the catalyst L-carnitine is high in catalysis efficiency, postprocessing is simple, the compounds are low-toxic and safe, and industrialization is easy to realize.
Owner:WUYI UNIV

A special automatic cleaning machine for LED ceiling lamps with semicircular structure

The invention relates to an automatic cleaning machine special for a semicircular LED ceiling light. The automatic cleaning machine comprises a baseboard, universal wheels are installed at the lower end of the baseboard, a lifting air cylinder is installed at the upper end of the baseboard, a collecting device is installed at the top of the lifting air cylinder through a flange, a cleaning deviceis instead at the upper end of the collecting device, and the semicircular LED ceiling light is automatically cleaned through the mutual cooperation of the collecting device and the cleaning device. By means of the automatic cleaning machine special for the semicircular LED ceiling light, the problems can be solved that in the process of cleaning the semicircular LED ceiling light, dust on the semicircular LED ceiling light needs to be manually cleaned away with a tool, the air is easily polluted when the dust is cleaned away manually, the dust easily harms the body when floating in air, and the method of manually cleaning away the dust needs complicated operation, takes a long time, needs large labor intensity for manually cleaning the LED ceiling light, cannot clean the light comprehensively, and has low working efficiency. The automatic cleaning machine can achieve the function of automatically cleaning the semicircular LED ceiling light.
Owner:徐州昊德照明有限公司
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