Do not let pump run for long in the circumstance of discharge valve closed.
注意不要在排出阀关闭的状态下长期运转。
Keep return piping valve closed until trap fills with condensate. Slowly open valve.
保持回路管道阀门处于关闭状态直到疏水阀充满冷凝物为止。慢慢开启阀门。
A valve immediately shuts off the gas when the lid is closed.
当盖子合上时，立刻会有一个阀门切断煤气。
The valve failing closed could be due to an internal blockage or failure.
阀门无法关闭的原因可能是内部堵塞或故障。
It can work under pressure or suction when the Valve be closed.
当阀门关闭时可承受一定的正压或负压。
When the compressor stop, the float chamber liquid level, float valve is completely closed.
当压缩机停车时，浮球室液位下降，浮球阀完全关闭。
Valve is shown in closed position.
图示中的阀门位于关闭位置。
This valve cannot be closed tightly. Please repair it or have it changed.
这个阀件关不死，请修理或调换。
Valve is closed twice so that the seal ring can self-center.
关闭阀门两次，使得密封环能够自动校准中心。
Objective: to sum up experience of heart valve replacement after closed mitral commissurotomy.
目的：介绍二尖瓣闭式扩张术后的瓣膜替换术经验。
Failure position of valve shall be closed.
故障时阀门位置为关闭。
Stroke the valve open and closed several times, with no line pressure.
在没有任何管道压力状态下开启和关闭阀门几次。
With the valve in the closed position the downstream air exhausts to the atmosphere.
如果这种阀门出于关闭位置，则下游气体将排放到大气中。
Check drain valve to make sure that it is closed.
检验排水阀，确保排水阀处于关闭状态。
A spring on the valve stem tends to hold the valve on its seat (closed).
气门杆上的弹簧使气门保持在气门座上(关闭状态)。
The main control room boost, the main valve is closed.
主要控制室升压，主阀关闭。
The main control room boost, the main valve is closed.
主要控制室升压，主阀关闭。
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