sink well
短语词组
- frame sunk -well 框架沉井
- sunk -well method 沉井法
- construction of sunk well 沉井施工
- rounded sunk well 圓形沉井
- sunk well found 沉井根蒂
- sunk well without bailing 不排水沉井
- sunk well foundation [建]沉井基礎
- sunk well and cofferdam 沉井圍堰
- concrete sunk well 混凝土沉井 返回 sink well