1·This is necessary to avoid water hammer or shock damage.
这样做有必要以避免水锤或冲击损坏。
2·The water hammer pressure attenuates after the angle pipe.
经过弯管后水击压力有不同程度的衰减。
3·Excessive back pressure, freezing, or water hammer has distorted the second check.
过于严重的反压力、冰冻或水锤扭曲了第二止回阀。
4·In this paper, the concept of water hammer in heating network and its harm are expatiated.
本文阐述了管网水击的概念及其产生的原因及危害。
5·The harmfulness to the generator stability of water hammer effect is overcome by the GAHC.
水轮机的GAHC克服了水锤效应对稳定性的危害作用。
6·The water pressure is predicted according to the rigid water hammer or the elastic water hammer.
水压预测分别在刚性水锤及弹性锤两种情况下进行。
7·Then the theoretic calculation show that the atmosphere jar can decrease the water hammer pressure.
理论计算表明，空气罐能有效的减小水击压力。
8·The definition of water hammer is the force that is created when a liquid suddenly changes velocity.
水锤的定义是指当液体突然改变速度时会产生一个力的作用。
9·Quick closing valves, water hammer or supply pressure fluctuations can cause intermittent discharge.
迅速关闭阀门，水锤或供应压力波动可能导致间歇性排放。
10·The theoretical study was made of the effect of shut-in procedure on the water hammer pressure pulse.
关井水击压力的大小直接决定了现场是采用“软关井”还是“硬关井”方式关井。