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关注：1
2013-05-23 12:21
求翻译：一般使用:配戴半面式防粉尘面罩(10-50倍曝露上限)是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
一般使用:配戴半面式防粉尘面罩(10-50倍曝露上限)
问题补充： |
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2013-05-23 12:21:38
General use: to wear half-face-type anti-dust mask (10-50 times the exposure to the ceiling)
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2013-05-23 12:23:18
General use: Wear half-facepiece dust (10 - 50 times exposure limit)
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2013-05-23 12:24:58
General use: Has one's eyes tested and wear glasses half form to guard against the dust face guard (10-50 time of exposure upper limit)
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2013-05-23 12:26:38
General use: wear half-plane dust-proof mask (10-50 times the exposure limit)
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2013-05-23 12:28:18
正在翻译，请等待...
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