停泵时先按下电控箱上泵的停止按钮(红色)，泵停止运转后，关闭管路上的进水阀和排出阀。
When the pump is going to stop, first press the stop button (Red), then close the water intake valves and the discharge valve.
泵停车时，应先关闭排出停止阀，并待泵完全停转后关闭吸入停止阀。
Pump stop, they would first close the discharge stop valve, and switch to a complete halt until pump suction stop valve was closed.
当准备好启动离心式泵时，吸入阀全开，容积式排出阀节流。
When ready to start centrifugal pumps, fully open suction valves and throttle discharge valves of a positive displacement.
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