短語詞組短語ground surface subsidence 地面沉陷ground d subsidence 地層陷落Rate ground of subsidence 地表下沉速度ground surface subsidence damage 地表沉陷損害analysis of ground -subsidence 地面沉降分析laws of ground surface subsidence 地表沉降規(guī)律analysis on ground surface subsidence 地表沉降分析tunnel ground subsidence 隧道地表沉降Dewatering and ground subsidence 疏干地面塌陷 返回 ground subsidence