[建] pile head
灌注桩桩头质量保证措施-中国矿业商务网_资讯中心 关键词 灌注桩 桩头 质量 保证措施 [gap=488]Key words grouting pile, pile head, quality, ensuring method
butt
... butte 孤山 butt 桩头 burst tearing test 胀破试验 ...
area of pile head
hydraulic pile head splitter
broom