cofferdam ['kɒfəˌdæm]

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.
  
• A longitudinal concrete cofferdam was demolished by way of underwater controlled blasting.
  利用水下控制爆破方法拆除了大源渡河中的混凝土纵向围堰.
  
• 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.