main valve stem
常見例句
- The main valve by valve, O-rings, lock, stem, frame, (hand wheel) pneumatic devices composed pieces.
本閥主要由閥體、O型圈、閘板、閥桿、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.
主汽門閥桿及調(diào)節(jié)汽閥閥桿漏氣，前后汽封疏水等都引入集水管再排入地溝。 返回 main valve stem