shaft excavation meaning in Chinese

打竖井
井筒掘迸

Physical model test and study on shaft excavation by one - step deep - hole blasting
一次爆破成井物理模型试验研究
Initial break and smooth blasting in deep bore hole blasting of mine shaft excavation
立井深孔掘进爆破中的掏槽和光爆
Shaft excavation and lining construction in shisanling pumped storage power station
十三陵抽水蓄能电站竖井开挖及衬砌施工
Nonlinear model calculating frozen wall stress and displacement fields in shaft excavation
井筒开挖下非线性冻结壁的应力场和位移场计算
Numerical simulation on cutting mode of shaft excavation by one - step deep - hole blasting in hard rock
坚硬岩石一次爆破成井掏槽方式的数值模拟研究

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