“shaft drilling”的概念、定义、翻译、参考文献-科学参考

单词	shaft drilling
释义	shaft drilling Encyclopedia 工学竖井施工方案释 shaft drilling竖井凿岩竖井施工中，在井筒围岩上钻凿炮孔的作业。是竖井掘进中的一项主要工序，约占整个掘进循环时间的20%～30%。
随便看	Eastern Women’s Kingdom eastern woodlands native peoples Eastern Wu Tombs at Echeng and Wuchang Eastern Yugur language Easter Rising East-European aesthetics East European Time East Façade of the Louvre，Paris East Garden by Yuan Jiang east Greenland cold current East Hebei Autonomous Government East India Company's Press East Indian pitcher-plant family East-Indian Ridge East Korea Bay East-Kunlun orogenic belt East Lake in Xinfan East Lake of Wuhan Scenic and Historic Area East Liaohe River East London east longitude Eastman Kodak Co. Eastman Kodak Company Eastman Kodak Company in Shanghai East Pacific Rise

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