基本解釋主蒸汽閥；主汽閥英漢例句雙語例句First: to act as an automatic non-return valve by preventing a backflow of steam from the main steam header to the boiler.首先，能過作為一個自動逆止閥，防止蒸汽從主蒸汽加熱器上倒流到鍋爐里。The design and principle of working in the invention steam from traditional oil pump. The main components, as cylinder plug, oil valve, oil clumber-controlled muff, are same with the traditional.該泵的設(shè)計和工作原理源于傳統(tǒng)油泵，主要部件如柱塞、油閥、油量控制套筒和傳統(tǒng)油泵相同。ip.commain steam valve更多例句詞組短語短語main -steam penetration isolation valve 主蒸汽貫穿隔離閥main steam quick -closing valve 主汽速關(guān)閥main steam valve更多詞組專業(yè)釋義動力與電氣工程主汽閥