Drill in the hole collapse的意思|示意
美 / /
英 / /
钻在塌陷的洞里
Drill in the hole collapse的网络常见释义
钻孔施工中坍孔 ... 建筑施工论文 关键词】钻孔施工中坍孔；偏斜；沉淀超厚的事故成因及预防处治 [gap=794]Key words】Drill in the hole collapse;Deflection;Extra-thick sedimentation of accident causes and prevention of Treat..