tunnel excavation
短語(yǔ)詞組
- tunnel after excavation 隧道開(kāi)挖後
- open tunnel subsurface excavation 明洞暗做
- Shallow tunnel by excavation 淺埋暗挖
- tunnel portal excavation 隧道洞門(mén)開(kāi)挖
- shallow tunnel excavation 淺埋隧道開(kāi)挖
- tunnel excavation and dewatering 隧道開(kāi)挖及疏水
- Tunnel excavation method 隧洞開(kāi)挖方法
- Tunnel excavation blasting 隧道開(kāi)挖爆破
- pilot tunnel excavation 導(dǎo)硐掘進(jìn) 返回 tunnel excavation