Insert and Buton Complex-Type Rock Driling Tools |
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基金项目: | supportedbythekeyprojectofscienceandtechnol-ogyfromMinistryofGeologyandMineralResources. |
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摘 要: | InsertandButonComplex┐TypeRockDrilingTools*ZhangGuojuZhangHanbinInstituteofExcavatingEnginering,ChinaUniversityofGeosciences,...
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