caisson works

例句：

1. 1.The construction of the new bridge required theuse of a caisson to stabilizethe foundation.
   建造新桥需要使用沉箱来稳定地基。
2. 2. The engineers useda caisson to create a largehole in the riverbed for the pipeline.
   工程师们使用沉箱在河床上挖出了一个大洞，以便管道通行。
3. 3.The caisson was lifted out ofthe water and carefully transported to theconstruction site.
   沉箱被从水中吊起并小心地运到了施工现场。