“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	elasticity of demand for health services elasticity of elongation elasticity of flexure elasticity of membrane elasticity of public opinion elasticity of torsion elasticity ratio of electricity consumption elasticity ratio of electricity production elasticity ratio of energy consumption elasticity ratio of energy production elasticity receptacles effect elasticity theory elasticity-viscoelasticity approximation elastic layered system theory elastic limit Elastic lithosphere elastic mechanics elastic medium elastic metamaterial elastic model elastic modulus elastic modulus, modulus of elasticity elastic network model elastic niobium alloy elastic nonwoven

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