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关注：1
2013-05-23 12:21
求翻译：所有井工煤矿应为入井人员配备额定防护时间不低于30分钟的自救器，入井人员应随身携带。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
所有井工煤矿应为入井人员配备额定防护时间不低于30分钟的自救器，入井人员应随身携带。
问题补充： |
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2013-05-23 12:21:38
All underground coal mine personnel into the wells with the nominal protection of not less than 30 minutes of self-help, into the well should carry.
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2013-05-23 12:23:18
All wells wells for coal mine should be staffed rated protective time shall not be less than 30 minutes into the well of self-help, you should carry their personnel.
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2013-05-23 12:24:58
All well labor coal mine should for enter the well personnel to provide the fixed protection time not to be lower than 30 minutes self-rescuers, enters the well personnel to be supposed to carry along with.
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2013-05-23 12:26:38
All should be well staffed in underground coal mine rescuer rated protection time of not less than 30 minutes, the personnel should carry.
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2013-05-23 12:28:18
Domestic "Coal Mine Safety Regulations" the implementation of instructions of the mine refuge chamber forth requirements
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