Install overflow valve inside to control the normal operation of pump.
内装溢流阀控制泵的正常运行。
In fact the tears is quick to overflow, I control the oneself.
其实泪水就快溢出，我控制着自己。
Rebound overflow is a complex well control problem.
反弹溢流是一种比较复杂的井控问题。
Rebound overflow is a complex well control problem.
反弹溢流是一种比较复杂的井控问题。
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