... hydraulic percussion drilling 液压冲击钻井 rotary percussion drilling 旋转冲唤钻进 ; 旋转冲击钻井 percussion drilling machine 冲唤钻机 ; 冲击式钻机 ...
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...中国矿权网 关键词： 液动冲击回转钻井；钎头；机械钻速；仿真；岩石破碎[gap=841]Key words： hydraulic percussion drilling； nager； penetration rate； simulation； rock breakage...
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Hydraulic rotary-percussion drilling is one of five important drilling techniques recently. Itstechnique nucleus is hydro-percussive tools.
作为当今五大钻探技术之一的液动冲击回转钻探的技术核心是液动冲击器。
The percussion and rotary drilling of hydraulic impactor may heighten drilling velocity several times, when it is been applying in drilling geothermic well.
液动冲击器冲击回转钻进技术应用于地热井钻进中，可以数倍提高钻进速度。
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