auger boring
短语词组
- auger r boring 螺旋钻进
- auger rig boring 长螺旋钻孔
- continuous flight auger boring 长螺旋钻进
- power -auger boring 电动螺钻
- dry auger boring method 无循环旋挖工法
- Basket bit or auger boring 筒钻或螺旋钻钻进
- shell -and-auger boring 冲击与螺旋钻探
- Boring auger 螺旋钻探
- earth boring auger 土钻;探地钻 返回 auger boring