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LS series wet roots vacuum pump is a rough vacuum pumping equipment.
LS型直排大气湿式罗茨真空泵属粗真空获得设备。
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At the same time equipment can be operated while pumping vacuum.
同时设备可以边运转边抽真空。
youdao
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At the same time equipment can be operated while pumping vacuum.
同时设备可以边运转边抽真空。
youdao