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关注：1
2013-05-23 12:21
求翻译：排气：为达到要求的浓度，需按整体换气或局部换气装置。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
排气：为达到要求的浓度，需按整体换气或局部换气装置。
问题补充： |
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2013-05-23 12:21:38
Exhaust: In order to achieve the required concentration, adjustment shall be the whole or partial ventilation ventilation device.
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2013-05-23 12:23:18
Exhaust: To meet the requirements for the concentration, according to the overall ventilation or local ventilation system.
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2013-05-23 12:24:58
Exhaust: In order to meet the requirements the density, must according to the whole air change or the partial vent.
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2013-05-23 12:26:38
Exhaust: in order to meet the requirement of concentration, according to the overall ventilation or local ventilation device.
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2013-05-23 12:28:18
It is angry to arrange: To achieve the density that requires, need it according to taking a breath wholly or some breathing apparatus.
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