Open needle valve "b" and vent or bypass needle valve, bleeding to atmosphere, then closing needle valve "b" restores the system to a normal static condition.
开启针形阀“B”和排气或旁路针形阀,排放到大气中,然后关闭针形阀“B”,将系统恢复到正常的静止状态。
Open needle valve "b" and vent or bypass needle valve, bleeding to atmosphere, then closing needle valve "b" restores the system to a normal static condition.
开启针形阀“B”和排气或旁路针形阀,排放到大气中,然后关闭针形阀“B”,将系统恢复到正常的静止状态。
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