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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，应该佩戴直接式防毒面具（半面罩）。紧急事态抢救或撤离时，佩戴空气呼吸器。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，应该佩戴直接式防毒面具（半面罩）。紧急事态抢救或撤离时，佩戴空气呼吸器。
问题补充： |
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2013-05-23 12:21:38
Respiratory protection: concentration in air overweight, they should wear protective masks Direct (half mask). Emergency rescue or evacuation, air respirators to wear.
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2013-05-23 12:23:18
Respiratory protection: * air concentrations in time-out icon, you should wear a direct-style gas mask (a half-mask). Emergency rescue or evacuation, wearing air respirator.
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2013-05-23 12:24:58
Respiratory system protection: In when air density exceeding the allowed figure, should wear the direct -like gas mask (half face guard).When urgent situation rescue or evacuation, wears the air respirator.
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2013-05-23 12:26:38
Respiratory protection: when excessive concentration in the air, wear a direct gas mask (half mask). Emergency rescue or evacuation, wear a compressed air breathing apparatus.
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2013-05-23 12:28:18
正在翻译，请等待...
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