jump drilling percussion drilled hole percussion drilling percussive drilling punch boring thrust boring
冲击 lash; pound钻孔 drill; bore; drill hole perf ...冲击钻孔机 jackhammer; percussion drill; thrust borer冲击钻孔器 iumper boring bar; jumper boring bar钻杆冲击钻孔 rod-tool rig冲击钻 churn drilling; impact drill; percussion drilling; reciprocating drill; shot bit; string冲击钻杆 jumper; percussion drill stem; sinker bar冲击钻机 chopping drill; chuck drill; hammer drill; knock-boring machine; percu io drill; percu ive rig; percussion boring machine; percussion drilling rig; percussion rock drill; percussive drill; percussive rig; rock drill冲击钻进 boring by percussion; cable drilling; chuck drilling; churn drilling; impact drilling; jar; percussion boring; percussion drilling; percussive boring; percussive drilling冲击钻进法 fabian system冲击钻井 boring by percussion; cabletool well; percussion drilling; percussive drilling; punching drilling; spudding冲击钻具 chuck drilling tools; percussion boring tool; percussion tool冲击钻探 churn drilling; percussion boring; percussion drilling; percussive drilling冲击钻探机 knock-boring machine冲击钻头 cable bit; chisel bit; chopping bit; drill hammer; impact bit; impact drill bit; percussion bit; percussive bit; punch boring; trepan chisel; two-point bit冲击钻样品 cabletool sample冲击钻钻头 chopping bit浅孔冲击钻 pole drill手工冲击钻 kirner水冲击钻井 jet-drilling液压冲击钻 hydraulic pressure percussion drill; liquid percussion drill直柄冲击钻 parallel shank percussion drill锥柄冲击钻 taper shank percu ion drill; taper shank percussion drill水力振击钻孔 hydraulic jar penetration冲击钻进岩心 percussion core
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Discussed shallowly the karst area percussion drilling pile is digging in hole pile construction question processing artificially application 浅谈岩溶地区冲击钻孔 桩在人工挖孔桩施工问题处理中的应用
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