深基础回转钻孔灌注桩
rotatory boring cast-in-place pile
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
浅基础基础埋置深度
embeded depth of foundation
超长钻孔桩
Super-long Bored Pile
super-long drilled pile
Ultra Long Hole-drilling Pile
Ultra-long Hole-drilling 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-diameter bored pile
large diameter bored pile
large bored piles
精密深孔钻孔工具
precision deep hole drilling tool