crack-opening displacement

例句：

1. 1.The crack in the wall was causing a lot of noise.
   墙上的裂缝在产生很多噪音。
2. 2. The earthquake caused a crack-opening displacement in the city.
   地震导致城市发生了裂开位移。
3. 3. The rock fell and caused a crack-opening displacement in the road.
   岩石掉落，导致道路发生了裂开位移。