“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	coordination-induced rearrangement coordination in system coordination ion coordination isomerism coordination mechanism coordination number coordination number of hydration coordination number of surface atom coordination-optimization of procedure's relations in the manufacturing process of steel plant coordination polyhedron coordination polymer coordination polymerization coordination polymers coordination problem coordination reaction coordination shell coordination sphere coordination strategy coordination titration coordinative isomerism coordinative isomerism; coordination isomerism coordinatively unsaturated complex coordinatization coordinatizing skew field coordinatograph

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