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关注：1
2013-05-23 12:21
求翻译：煤矿机械齿轮传动装置主要是采煤机是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
煤矿机械齿轮传动装置主要是采煤机
问题补充： |
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2013-05-23 12:21:38
Mine is mainly mechanical gear drives Shearer
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2013-05-23 12:23:18
Coal Mining Machinery gear transmission devices mainly coal mining machine
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2013-05-23 12:24:58
The coal mine mechanical tooth gear mainly is a coal mining machine
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2013-05-23 12:26:38
Mechanical gear transmission device in coal mine is a coal mining machine
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2013-05-23 12:28:18
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