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。
Also the valve heads will be liable to be burnt by the passing hot gases, and there is the likelihood of the piston crown touching an open valve, which can seriously damage the engine.
而且气门头部容易被经过的高温气体烧蚀，活塞顶部也可能会碰到气门使发动机严重损坏。
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。
Emergency Open valve Emergency Open valve used in water spray fire-extinguishing systems, has yet to be implemented in engineering.
紧急开启阀应用于水喷雾灭火系统，目前尚未在工程中实施。
Emergency Open valve Emergency Open valve used in water spray fire-extinguishing systems, has yet to be implemented in engineering.
紧急开启阀应用于水喷雾灭火系统，目前尚未在工程中实施。
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