concealed excavation construction

• 暗挖施工

concealed excavation construction的用法和样例：

例句

1. An introduction is given to construction of a super shallow buried subsurface excavated underpass in Wuhan, and the control of grou nd settlement.
   介绍武汉市常青路地下人行通道超浅埋暗挖施工以及控制地表沉降的技术和方法。