基本解釋手動閥；手控閥英漢例句雙語例句There are different kinds of valves ranging from simple hand operated valve to fully automatic valve for control of gas-air mixture.有很多從簡單的手閥等各種閥到全自動控制天然氣混空氣閥。www.tech-domain.comThe opening and the closing of the gate valve are realized by a manual pump; the past bulky gate valve with a hand-operated screw rod is replaced.閘閥的開啟和關(guān)閉靠手動泵來實(shí)現(xiàn)，取代了過去手搖絲杠的笨重閘閥。ip.comhand-operated valve更多例句詞組短語短語hand -operated multi-vane regulating valve 手動多葉調(diào)節(jié)閥Hand -Operated Slide Valve 手動閘板閥hand-operated valve更多詞組專業(yè)釋義化學(xué)手動閥