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关注：1
2013-05-23 12:21
求翻译：介绍了目前牙轮钻头破岩机理的研究现状及发展情况，并对共振钻井技术的研究情况进行了全面调研。是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
介绍了目前牙轮钻头破岩机理的研究现状及发展情况，并对共振钻井技术的研究情况进行了全面调研。
问题补充： |
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2013-05-23 12:21:38
Research and development situation of the cone bit rock breaking mechanism, and resonance drilling technology research carried out a comprehensive investigation.
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2013-05-23 12:23:18
Describes the current Bluetooth round rock drill in the study of the current situation and development of the resonance, and drilling technology research conducted a comprehensive research.
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2013-05-23 12:24:58
Introduced at present roller bit broken crag mechanism research present situation and the development situation, and to resonated the well drilling technology the research situation to carry on the comprehensive investigation and study.
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2013-05-23 12:26:38
Describes the current roller bit rock breaking mechanism of research and development, and research conducted a comprehensive investigation of resonant drilling technology.
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2013-05-23 12:28:18
正在翻译，请等待...
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