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关注：1
2013-05-23 12:21
求翻译：发明了矿工挖煤时用的矿灯是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
发明了矿工挖煤时用的矿灯
问题补充： |
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2013-05-23 12:21:38
When miners dug with the invention of the miner's lamp
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2013-05-23 12:23:18
Invented the miners dug coal mining lamps at the
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2013-05-23 12:24:58
The miner's lamp which has invented the miner mines coal when uses
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2013-05-23 12:26:38
Invented when a miner digging coal miner's lamp
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2013-05-23 12:28:18
Invention when a miner digging coal miner's lamp
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