“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	canonical product canonical projection canonical quadratic form canonical quantization canonical quantization condition canonical quantization of field canonical quantization of fields canonical rational mapping canonical reduction canonical representation canonical resolution canonical ring canonical scale canonical scale dimension canonical scheme canonical section canonical sections canonical sequence canonical series canonical set canonical sheaf canonical singularity canonical solution canonical statistic canonical structure

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