The factors stated are based upon a fully open valve.
这里所述的流量系数是指阀门全开时的流量系数。
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。
Open valve fully to its memory setting and, on a piece of paper, record the valve setting.
将阀门完全开启到它的记忆设置点上，在一张纸上，记录这个阀门设置。
Open valve a to vent air from the vent hose.
开启阀门A从排气软管处排出空气。
Open valve a to vent air from the vent hose.
开启阀门A从排气软管处排出空气。
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