基本解釋主閥桿英漢例句雙語例句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,前後汽封疏水等都引入集水琯再排入地溝。main valve stem更多例句詞組短語短語main slide valve stem [鉄路]滑閥桿main starting valve stem 主要街道main valve stem nut 主閥桿螺母main starting valve valve stem 主閥桿main valve stem更多詞組專業(yè)釋義機(jī)械工程主閥桿