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潔凈車間潔凈等級(jí)有那幾種？
time：2021-08-11 06:53:15 release：Guanma source：Guanma browse：0

對(duì)于潔凈車間及潔凈區(qū)來說，潔凈等級(jí)一般概括分為幾種：百萬級(jí)，十萬級(jí)，萬級(jí)，千級(jí)這么幾種。

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