大家都搜：
地堑沉降
1、subsidence ct───沉降ct
2、subsidence is───下沉是
3、subsidence districts───沉降区
4、subsidence geology───沉降地质学
5、subsidence define───沉降定义
6、subsidence defined───沉降定义
7、subsidence───n.下沉；沉淀；陷没
1、subsidence of Sunjiawan episode in Middle Cretaceous are further transferred eastward, and the half-graben defined by the fault F1 was formed.───中白垩世孙宗湾组的沉陷进一步向东侧移，形成了以F1断层为盆缘断层的半地堑；
2、There are three models of ground subsidence: cave in ground subsidence, sink ground subsidence and graben ground subsidence.───地面塌陷有三种模式，即冒落式地面塌陷、沉陷式地面塌陷和地堑式地面塌陷。