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关注:1
2013-05-23 12:21
求翻译:超过要求浓度时,要戴呼吸防护用具。是什么意思? 待解决
悬赏分:1
- 离问题结束还有
超过要求浓度时,要戴呼吸防护用具。
问题补充: |
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2013-05-23 12:21:38
Concentration than required to wear respiratory protective equipment.
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2013-05-23 12:23:18
When concentrations exceed requirements, to wear respiratory protective equipment.
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2013-05-23 12:24:58
When surpasses the request density, must wear the breath protection apparatus.
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2013-05-23 12:26:38
Exceeds concentrations is required, to wear respiratory protective equipment.
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2013-05-23 12:28:18
Exceed require density, take wear breathe protect apparatus.
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