... vacuum transfer 真空领纸装置 vacuum trap 真空聚集槽 vacuum type thickener 真空圆网浓缩机 ...
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... 真空采血器:vacuum blood collector 真空捕集器:vacuum trap 真空薄膜联合包装机:film vacuum combination packer ...
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vacuum cold trap 真空冷阱
vacuum float trap 真空浮控闸
vacuum m trap 真空捕集器
ultra-high-vacuum magneto-optical trap 超高真空磁光阱
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Just like the filter in a vacuum cleaner, however, the trap must be cleaned periodically.
FORBES: Clearing the Air
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