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关注：1
2013-05-23 12:21
求翻译：确定选用走向长壁对拉工作面高档炮采的采煤方法是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
确定选用走向长壁对拉工作面高档炮采的采煤方法
问题补充： |
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2013-05-23 12:21:38
Determine the selection of mining methods for long wall mining face high-grade gun pull
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2013-05-23 12:23:18
Identify options to move toward a wall of a very high standard artillery units drop-down surface coal mining methods
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2013-05-23 12:24:58
The determination selects moves towards the long wall to pull the mining coal method which the working surface upscale artillery picks
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2013-05-23 12:26:38
Determine the selection of longwall mining method of top-grade blasting mining working face
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2013-05-23 12:28:18
正在翻译，请等待...
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