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關注：1
2013-05-23 12:21
求翻譯：介紹了目前牙輪鉆頭破巖機理的研究現狀及發展情況，并對共振鉆井技術的研究情況進行了全面調研。是什么意思？ 待解決
 懸賞分：1
- 離問題結束還有
介紹了目前牙輪鉆頭破巖機理的研究現狀及發展情況，并對共振鉆井技術的研究情況進行了全面調研。
問題補充： |
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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
正在翻譯，請等待...
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