非开挖电缆管道
pipelines of not excavating cable
非开挖翻衬法管道修复技术
trenchless inversion lining pipeline rehabilitation technology
基础开挖
foundation excavation
bridge foundation digging
不开挖铺设和水中铺设
submarine and trenchless installation
反开挖
advance weighting-digging
基坑开挖
foundation excavation
pit excavation
excavation of foundation pit
foundation pit excavation
foundation pit excavating
excavation of the foundation pits
pits digging
digging foundation trench
excavation of the foundation ditch
excavation of pit foundation
foundation trench excavation
Excavation of a Foundation Pit
Excavation of foundation ditch
footing groove digging
deep excavation
foundation pit
foundation-ditch excavation
underground foundation pit
basic digging
internal bracing
deep-excavation
Excavation
inspecting and supervising system