Stem steam leakage from main stop valve and governor valve, drainage of front and rear steam sealing, etc shall all be directed into the conduit, and then be discharged into the gutter.
主汽门阀杆及调节汽阀阀杆漏气，前后汽封疏水等都引入集水管再排入地沟。
The main valve by valve, O-rings, lock, stem, frame, (hand wheel) pneumatic devices composed pieces.
本阀主要由阀体、O型圈、闸板、阀杆、支架、（手轮）气动装置等件组成。
The main valve by valve, O-rings, lock, stem, frame, (hand wheel) pneumatic devices composed pieces.
本阀主要由阀体、O型圈、闸板、阀杆、支架、（手轮）气动装置等件组成。
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