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关注：1
2013-05-23 12:21
求翻译：当煤矿井下综掘工作面掘进作业时，风幕装置的射流在掘进司机的前方产生了一道气体屏障是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
当煤矿井下综掘工作面掘进作业时，风幕装置的射流在掘进司机的前方产生了一道气体屏障
问题补充： |
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2013-05-23 12:21:38
正在翻译，请等待...
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2013-05-23 12:23:18
When coal mine explosion, the excavation work boring job, wind the unit the jets in boring driver in front a road gas barrier
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2013-05-23 12:24:58
When the coal mine mine shaft synthesis digs the working surface tunneling work, the wind curtain installs the jet flow has produced a gas barrier in the tunneling driver's front
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2013-05-23 12:26:38
When mechanized drivage in coal mine operation, the Jet of air curtain device in front of the driving the driver producing a gas barrier
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2013-05-23 12:28:18
正在翻译，请等待...
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