“reciprocating vacuum pump”的概念、定义、翻译、参考文献-科学参考

单词	reciprocating vacuum pump
释义	reciprocating vacuum pump Encyclopedia 工学真空泵释 reciprocating vacuum pump往复真空泵靠活塞往复运动使泵腔（气缸）的工作容积周期性地变化来抽气的真空泵。又称活塞真空泵。
随便看	counter-cyclical supervision countercylinder counterdiffusion counter electrode counter electromotive force counter E.M.F. counter emf counter-evolution counterexample counter-factivity counterfactual counterfactual history counterfactual thinking counterfeit coin problem counterfeit drugs counterfeiting counterflow counter-flow flame counter force counterforce counterfort retaining wall counterglow counter-gravity casting counter guarantee counter-hijacking operations command

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