排污管、放水管或疏水管应分别连接到各自的总管上，每管均应串接两个阀门，两阀门间的管段应尽量缩短。
Waste draining pipe, offlet or drain pipe should be connected to the main pipe; each pipe should connect two valves with the most possible short valve-to-valve pipe length.
设备间通信还有助于企业内部作出决策来影响远程位置的更改(如打开或关闭阀门或停止设备运行)。
Device-to-device communication also assists with decisions made within the enterprise to affect changes at the remote location (opening or closing a valve or stopping an appliance, for example).
他支持公司间合作开发一些消费者不会看到的汽车部件，如氢气压缩机，阀门和增湿器，这些部件不会影响到汽车性能或者驾驶特性。
He supports the idea of co-operating to develop some components the customers don't see, such as hydrogen compressors, valves and humidifiers, that don't effect performance or driving characteristics.
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