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

单词	roots vacuum pump
释义	roots vacuum pump Encyclopedia 工学真空泵释 roots vacuum pump罗茨真空泵靠泵腔内一对叶形转子同步、反向旋转的推压作用来移动气体而实现抽气的真空泵。
随便看	photronic Phoumi Vongvichit PHP Ph-positive acute lymphoblastic leukaemia Phrachansiao Kanlakon Phrae Phragmen-Lindel⍥f principle Phragmen-Lindel⍥f theorem phragmobasidium phragmocone phragmoplast phragmospore Phragmén Phra Lo Phra Mongkut Klao Chao Yu Hua Phra Pathom Chedi Phra Pathomchedi Phra Phuttha Loet La Naphalai phrasal dictionary phrase phrase-based statistical machine translation phrase-based statistical translation model phrase-observing meditation phraseological dictionary phraseological unit

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