深基础回转钻孔灌注桩  rotatory boring cast-in-place pile

深基础钻孔扩底灌注桩  under-reamed bored pile

深基础钻孔压注桩  starsol enbesol pile

基础钻孔平台  drilling platform

深基础钻孔墩基础  drilled-pier foundation

桩基钻孔  Drilling for file foundation

人工挖孔桩基础  manual-excavated pile foundation

挖孔桩基础  Dug pile foundation in tunnel

深基础桩基动测技术  dynamic pile test

浅基础基础埋置深度  embeded depth of foundation

表土顿钻钻孔  spudding bit

超长钻孔桩  Super-long Bored Pile; Ultra Long Hole-drilling Pile; super-long drilled pile; Ultra-long Hole-drilling Pile

冲击钻孔桩  impact bored pile; percussion drilled pile

大孔钻孔  big-diameter hole drilling

大直径超长钻孔桩  large diameter over length pored pile

大直径螺旋钻孔桩  large diameter bored pile

大直径钻孔桩  large bored piles; large-diameter bored pile; large diameter bored pile

弓钻钻孔器  brace bit

精密深孔钻孔工具  precision deep hole drilling tool