Design of and Improvement on the Dry Rotary-digging Drilling Tools for the Permafrost Zone in the Qinghai-Tibet Plateau Railway
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杨明友,陈辉,黄玉文,等.青藏铁路高原冻土无循环旋挖钻进施工工具的设计和改进[J].钻探工程,2002,(4):9-10.. Design of and Improvement on the Dry Rotary-digging Drilling Tools for the Permafrost Zone in the Qinghai-Tibet Plateau Railway[J]. Drilling Engineering, 2002,(4):9-10.
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- 最后修改日期:2001-12-19
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- 出版日期: 2002-07-25
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