螺杆泵应在吸排停止阀全开的情况下起动,以防过载或吸空。
Screw pump should be in suction stop valve fully open under the condition of starting, in case of overload or empty.
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.
随着13号提案的诞生,这种机制停止了它安全阀的功能,相反,它几乎成了一个发动机。
With Proposition 13, it stopped being a valve and instead became almost the entire engine.
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