Atmospheric pressure then pushes the piston back down the cylinder, and if anything (such as a pump) is attached to the piston, some useful work can be done.
于是，气压就会再次将活塞推至汽缸底部。而假如有诸如水泵这样的物体与活塞连接，就可以在活塞的带动下完成一些工作。
As altitude increases, atmospheric pressure decreases, thus exerting less "push" on the water entering the pump suction.
当海拔高度增加，大气压力减少，从而减少了作用于进入水泵的水的压力。
The compressed air system for atmospheric air, will air inhaled air compressor, after volume compressed pump into the compressed air system.
压缩空气系统的气源为大气，将空气吸入空压机中，经过体积压缩后泵入压缩空气系统。
The design and lectotype of circulating pump, automatic return water switch valve, expansion tank and atmospheric connection pipe in atmospheric hot water heating boiler room are discussed.
对常压热水供热锅炉房的循环泵、回水自动启闭阀、膨胀水箱、大气连通管的设计选型进行了探讨。
Since the material of atmospheric condenser, barometric discharge pipe, pump casing of follow-up water ring vacuum pump, impeller, and moisture tank was upgraded and anticorrosive p...
对重点腐蚀部位的大气冷凝器、大气腿、后续水环真空泵泵壳、叶轮、水封罐等升级材料、泵壳内涂防腐涂料后，已运行两年，仍然完好。
In some cases the difference in atmospheric pressure causes the air to circulate naturally; in others a fan must be used to pump air into the mine.
有些矿井利用大气压力差引起空气自然流动，有些矿井则必须用扇风机把空气压人井内。
In some cases the difference in atmospheric pressure causes the air to circulate naturally; in others a fan must be used to pump air into the mine.
有些矿井利用大气压力差引起空气自然流动，有些矿井则必须用扇风机把空气压人井内。
应用推荐