基本解釋主蒸汽閥；主汽閥英漢例句雙語(yǔ)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(guò)作為一個(gè)自動(dòng)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(jì)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(yǔ)短語(yǔ)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(dòng)力與電氣工程主汽閥