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关注：1
2013-05-23 12:21
求翻译：呼吸系统防护： 空气中浓度超标时，佩戴自吸过滤式防尘口罩。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
呼吸系统防护： 空气中浓度超标时，佩戴自吸过滤式防尘口罩。
问题补充： |
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2013-05-23 12:21:38
Respiratory protection: concentration in air overweight, wearing self-absorption filter respirators.
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2013-05-23 12:23:18
Respiratory protection: the air concentration exceeds the standard, when you wear the self-suction filtered dust masks.
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2013-05-23 12:24:58
Respiratory system protection: In when air density exceeding the allowed figure, wears the self-absorption filtration type respirator.
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2013-05-23 12:26:38
Respiratory protection: when excessive concentration in the air, wearing a self-priming filter type dust respirator.
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2013-05-23 12:28:18
正在翻译，请等待...
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