positive-displacement pump

常見(jiàn)例句

雙語(yǔ)例句

• Twin-screw pump as a positive displacement pump, pump room exhaust inhalation chamber should be strictly separated.
  雙螺桿泵作爲(wèi)一種容積式泵，泵內(nèi)吸入室應(yīng)與排出室嚴(yán)密地隔開(kāi)。
• 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(guò)滑閥轉(zhuǎn)子作機(jī)械鏇轉(zhuǎn)運(yùn)動(dòng)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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