On the Derrick Installation of ShaftⅣ_G In main Shaft of a Coalmine
浅谈塔然高勒煤矿主井IV_G凿井井架安装
Research on the Influence of Frost Heave of Frozen Soil to Derrick Footing in Freezing Sinking Shaft;
冻结法凿井冻土冻胀对井架基础影响的研究
New construction technology of setting large steel-structure shaft frame during shaft sinking
凿井期间起立大型钢结构井架施工新技术
Shaft sinking winch
GB/T15112-1994凿井绞车
open a mine, well, tunnel, etc
开矿、 打井、 凿隧道
Experience on the shrink shaft drilling construction reserve period
缩短立井井筒凿井施工准备期的经验
Design Optimization of Drilled Shaft Lining Structure in 1000m Deep Shaft
千米深井钻井法凿井井壁结构设计优化
deep shaft sinking technique in ancient China
中国古代深井开凿技术
Kind-Chaudron process
金特－肖德隆凿井法
construction survey for conventional shaft sinking method
普通凿井法施工测量
construction survey for special methods of shaft sinking
特殊凿井法施工测量
The Present Situation and the New Developing Trend of 1000m Deep Shaft Sinking Technology
千米深井凿井技术现状及发展新动向
Desigh of Centralized Control System of Sinking Hoist in Shaft Construction
立井施工凿井绞车集中控制系统设计
"drilling rig, platform"
"钻井井架,钻井平台,见 oil (drilling) rig"
Freeze Sinking Sidewall's Stress Analysis Considering Damage under Complicated Load;
复杂荷载下冻结凿井井壁损伤应力分析
Analysis and Prevention of Freezing Tube Breakage in Deep Shaft Freezing Sinking;
深井冻结凿井冻结管断裂原因分析及防治技术
The Key Technology of Freezing Repairing Shaft of the 658m Soft Rock Drilling Shaft
658m软岩普通法凿井井筒冻结修复关键技术
Frozen method applied in excavation of vertical shaft of iron ore mine
冻结法凿井技术在铁矿山竖井中的应用
