... rock bit 牙轮钻头 ; 岩石锧头 ; 岩石钻头 rolling cutter rock bit 牙轮钻头 cross roller rock bit 十字形四牙轮钻头 ...
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... 矿用钻头 mining drill bits 岩石钻头 Rock drills 锚杆钻头 Carbide alloy Anchor drill ...
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三维式岩石钻头 tricone rock bit
岩石-钻头互作用模式 rock-bit interaction model
岩石与钻头互相作用 rock-bit interaction
钻硅质石灰岩用的钻头 chert bit
便携式手提电动工具。手柄振动的测量。第3部分：岩石钻头和旋转锤。
Hand-held portable power tools. Measurement of vibrations at the handle. Part 3 : rock drills and rotary hammers.
本文用平面光弹方法，对阶梯金刚石钻头切削刃下岩石的应力进行分析。
Rock cutting by a step ped bit has been studied with experimental stress analysis and is tested under atmospheric pressure.
轮式金刚石钻头是利用切削齿缓慢交替切削运动来破碎岩石的新型钻头。
Diamond cone bit is a new drill bit which make use of cutting cutters interacting with rock slowly and alternately.
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