沉井: [建筑] open caisson; well-sinking; sink◇沉井法 drop shaft sinking; 沉井基础 [土] (sunk) well foundation; open caisson foundation; 沉井施工 open caisson construction
沉井基础: foundation by pit sinkingfoundation on wellsmonolith foundationopen caisson foundationopen well foundationsunk shaft foundationsunk well foundationwell foundation
