hand-operated valve

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.com
• The 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.
  牐閥的開啓和關(guān)閉靠手動泵來實現(xiàn)，取代了過去手搖絲杠的笨重牐閥。
  ip.com

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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 手動牐板閥

• hand-operated valve更多詞組

專業(yè)釋義

化學

• 手動閥