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关注：1
2013-05-23 12:21
求翻译：掘进机作为煤矿设备的主力设备，具有安全、高效等优点，故提高掘进机设计速度具有重要意义。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
掘进机作为煤矿设备的主力设备，具有安全、高效等优点，故提高掘进机设计速度具有重要意义。
问题补充： |
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2013-05-23 12:21:38
[object Object]
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2013-05-23 12:23:18
Boring Machine as a coal mining equipment in the main equipment, and a safe, efficient, and therefore increased Boring Machine Design speed is of vital significance.
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2013-05-23 12:24:58
The mechanical boring machine took the coal mine equipment the main force equipment, has, highly effective and so on the merits safely, therefore enhances the mechanical boring machine design speed to have the vital significance.
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2013-05-23 12:26:38
Boring machine as the main unit coal mining equipment, has the advantages of safe, efficient, improving boring machine design speed is of great significance.
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2013-05-23 12:28:18
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