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罗茨真空泵
释义
罗茨真空泵
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真空泵
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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。
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Figure in the LiuLi Hall
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