Application of fully - cased bored piles by rotary drilling rigs in power plants 旋挖式全护筒钻孔灌注桩在电厂建设中的应用
Percussive rotary drilling 冲积转式钻眼
Petroleum and natural gas industries - rotary drilling equipment - rotary drill stem elements 石油和天然气工业.旋转钻探设备.旋转钻杆构件
Rubber hoses and hose assemblies for rotary drilling and vibration applications - specifications 旋转式钻探和振动用橡胶软管和软管组件.规范
Rubber hoses and hose assemblies for rotary drilling and vibration applications - specification 旋转式钻进和振动设施用橡胶软管和软管组件.规范
Xgr18 type multi functional rotary drilling rig developed by basic company fill gaps in the province 基础公司研制的xgr18型多功能旋挖钻机填补省内空白。
Petroleum and natural gas industries - rotary drilling equipment - part 1 : rotary drill stem elements 石油和天然气工业.旋转钻探设备.第1部分:旋转钻杆构件
Construction technology of rotary drilling machines and impact hammer working together in mollisol area 软土地区旋挖钻机与振动锤联合施工钻孔灌注桩施工工艺
It is a walking - frame rotary drill rig , suitable for industrial and civil piling construction 简述：该机是适应于工业与民用建筑桩基础施工的步履式螺旋钻机。
Rubber hoses and hose assemblies for rotary drilling and vibration applications - specification iso 6807 : 2003 ; german version en iso 6807 : 2003 旋转式钻探和振动装置用橡胶软管和软管组件.规范
