shaft walling meaning in English
井筒砌壁
Examples
- Analysis of freeze shaft wall damage in dongrong no . 3 coal mine
东荣三矿冻结段井壁破坏原因简析 - Quick construction of main shaft wall in base rock period in hu xi coal mine
湖西矿主井井筒基岩段快速施工 - Method of main shaft wall construction expansion clay in lu xi coal mine
鲁西煤矿主井井筒施工膨胀性粘土段措施 - The research about the fracture regularity of the frozen shaft wall in surface soil
冻结立井表土段井壁破坏规律研究 - Discussion on coercibility of shaft wall structure in deep thick surface seam shaft
深厚表土层井筒可缩井壁结构的探讨