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關注:1
2013-05-23 12:21
求翻譯:密閉操作,全面通風是什么意思?![]() ![]() 密閉操作,全面通風
問題補充: |
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2013-05-23 12:21:38
Closed operations, general ventilation
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2013-05-23 12:23:18
Confined to full ventilation
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2013-05-23 12:24:58
The airtight operation, ventilates comprehensively
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2013-05-23 12:26:38
Closed operation, overall ventilation
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2013-05-23 12:28:18
confined to full ventilation;
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