undercutting under shallow overburden的用法和樣例：
例句
- The ground settlement of a shallow metro tunnel by excavation has important effect on the construction safety.
淺埋暗挖地鐵隧道施工期地表沉降量對施工安全具有重要意義。 - An introduction is given to construction of a super shallow buried subsurface excavated underpass in Wuhan, and the control of grou nd settlement.
介紹武漢市常青路地下人行通道超淺埋暗挖施工以及控制地表沉降的技術和方法。
