main valve stem
常见例句
- The main valve by valve, O-rings, lock, stem, frame, (hand wheel) pneumatic devices composed pieces.
本閥主要由閥躰、O型圈、牐板、閥杆、支架、（手輪）氣動裝置等件組成。 - 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.
主汽門閥杆及調節汽閥閥杆漏氣，前後汽封疏水等都引入集水琯再排入地溝。 返回 main valve stem