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A good drainage system plays an important role in the construction period of the civil works and the normal use and life span of the structures. The drainage board and the porous water seepage pipe constitute an effective drainage system, and the cylindrical multi-empty drainage board and …
Based on the rapid development of science and technology, people rely more and more on power resources. At present, the operating costs of domestic power systems are relatively high. Therefore, it is imperative to improve all aspects of the power system.
Yang Junjun
Grapes are juicy and juicy, many people like to eat. To improve the yield of grapes, it is very important to do chemical weeding. Now it is the best season to use herbicides . Xiaobian summarizes the use methods and precautions of grape herbicid…
The shed believes everyone has seen that many units or public places will install carports for people to park their vehicles. The carport has a film structure carport, a steel structure carport, etc. Today, we mainly understand the car structure under the film.
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Pp filter, also known as melt-blown filter, is mainly used to remove suspended solids, particles, rust, and other impurities in liquids, and involves filtration industries such as oil filtration, air filtration, and water filtration. We may not be very understanding of the pp filter, Xiao …
Seamless steel pipe is widely used in construction, mechanical parts and other fields because of its characteristics of the same flexural and torsional strength and lighter weight. In China, the strength of the brand is very strong, seamless steel pipe is the same, in order to let everyone…
An electroplated diamond drill bit that can effectively drill into a hard and tightly-sliding formation. It has always been a problem for geologists to drill in a hard “skid†formation.
In-depth analysis…