open excavation
短語詞組
- unprotected open cut excavation 放坡開挖
- open -excavation 明挖
- open channel excavation 明槽開挖
- open pit excavation 露天開采
- constructed by open excavation 明挖法施工
- open excavation construction 明挖施工
- open excavation order method 明挖順作法
- open tunnel subsurface excavation 明洞暗做
- open excavation and shallow cov -erage 淺埋明挖 返回 open excavation