open caisson

• 开口沉箱,沉井

open caisson的用法和样例：

例句

1. In the light of characteristics of blasting operation in shallow sea, a steel open caisson with complicated structure was quickly demolished by use of varied blasting technologies.
   结合滩海环境下爆破作业的特点，综合几种爆破技术快速拆除了结构复杂的钢沉井。