完全开启排气针形阀直到从排气连接处的滴漏停止为止。
Open vent needle valve fully until dripping from vent connection stops.
压缩机在启动时防喘振阀全开。
Compressors are run up with the anti surge valve fully open.
当阀瓣全开时，电接信号消失。
When the disc is wide open, the electricity connecting signals disappear.
当阀瓣全开时，电接信号消失。
When the disc is wide open, the electricity connecting signals disappear.
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