大直径挖孔扩底灌注桩
large-diameter cast-in-situ piles with enlarged ba
六点式井底扩眼器
six point bottom hole reamer
人工挖孔扩底长桩
manually excavated belled long pile
人工挖孔扩底灌注桩
perfusion pile manpower digging and expand bottom
人工挖孔扩底桩
manually excavated belled piles
manually excavated belled pile
manual dig aperture expanded fundus pile
三点式井底扩眼器
three point bottom hole reamer
钻孔扩底灌注桩
Drilling Bottom-enlarged Grouting Pile
Bored club-footed pile
under-reamed bored pile
Bored Cast-in-place Pile with Enlarged Bottom