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洁净车间洁净等级有那几种？
time：2021-08-11 06:53:15 release：Guanma source：Guanma browse：0

对于洁净车间及洁净区来说，洁净等级一般概括分为几种：百万级，十万级，万级，千级这么几种。

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Soft curtain fast door
Hard quick door
Quick door of cold storage
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Machine protective door
Loading and unloading platform
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Truck stopper

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