positive-displacement pump

基本解釋

• 正排量泵
• 容積式泵

英漢例句

雙語例句

• Twin-screw pump as a positive displacement pump, pump room exhaust inhalation chamber should be strictly separated.
  雙螺桿泵作為一種容積式泵，泵內(nèi)吸入室應(yīng)與排出室嚴(yán)密地隔開。
• It is a positive displacement vacuum pump, which can pump gas by rotating slide valve to change cubage of gas- absorbing cavity.
  它是通過滑閥轉(zhuǎn)子作機(jī)械旋轉(zhuǎn)運(yùn)動從而改變吸氣腔容積以達(dá)到抽氣目的的容積式真空泵。

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詞組短語

短語

• positive -displacement seawater fresh water pump 容積式海水泵
• double -stage positive displacement vacuum pump 雙級結(jié)構(gòu)容積式真空泵
• positive displacement oil -sealed liquor pump 油封式正位移式打液泵
• diaphragm -type positive displacement metering pump 隔膜型正排量計量泵

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專業(yè)釋義

機(jī)械工程

• 容積式泵