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。
In the distance, there is the air compressor. All valves in this system are pneumatically operated with quick opening and closing.
远处为空气压缩机，系统内所有自动阀均为气动，开关迅速。
A violent shock is created in commercial laundry piping as a result of quick closure valves.
快速关闭阀在商用洗衣机的管道内引起严重的水锤撞击。
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