cofferdam例句

Double - wall steel cofferdam is the important facility of bridges deepwater foundation.
双壁钢围堰是桥梁深水基础施工的重要设施.

The other part is temporary cofferdam and the rear land - based connection project.
二是临时围堰及后方陆域连接工程.

Temporary projects include temporary cofferdam project and protection project of ancient relics.
临时附属工程主要是临时围堰工程和文物防护工程.