“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	continuous cell continuous channel continuous character continuous checking inventory control system continuous circulation system- continuous circulation valve—CCV continuous cocycle continuous cohomology continuous column charging continuous continuation continuous contour continuous control system continuous convergence continuous converting continuouscooling transformation diagram continuous countercurrent extraction continuous couple of operators continuous-cover forest continuous creation continuous crime continuous cropping continuous cropping obstacle of vegetables continuous cropping obstacles continuous culture continuous curve

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