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1 ?螺旋钻空 ... auger mining 螺旋钻机开采薄煤层法 auger drilling 螺旋钻空;螺旋钻孔 auger bit 木螺锥,麻花钻头 ... 2 [机]?螺旋钻孔 ... auger mining螺旋钻机开采薄煤层法 auger drilling螺旋钻空;螺旋钻孔 auger bit木螺锥,麻花钻头 ... 3 ?螺旋钻进 ... 0.4 回转钻进 rotary drilling 0.5 螺旋钻进 auger drilling 0.6 冲击钻进 percussion drilling ... 4 ?螺旋钻法 冲击 法(Percussion Drilling) 螺旋钻法(Auger Drilling) 参、地质钻探资料规范 ,
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Pressure pumped CFG pile by continuous auger drilling is a new technology of CFG pile composite foundation. 长螺旋钻管内泵压CFG桩,是一项CF G桩复合地基新技术。 - 2
8 the rig is suitable for various drilling methods such as carbide bit drilling, auger drilling, DTH hammer drilling, follow - up casing drilling, etc. 3. 钻机可适用多种钻进工艺方法,如合金回转钻进螺旋钻进潜孔锤钻进跟管钻进等。 - 3
Water well drillers may specialize in a specific method of drilling, such as cable, rotary, auger, hammer or reverse circulation drilling. 水井钻井工可能会专注于一个特定的钻探方法,如电缆,旋转,钻,锤或反向循环钻探。
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