underwater structure meaning in Chinese

海底构造
水下建筑物
水下结构

An underwater sound intensity measurement system and its application to radiation noise measurement of underwater structure in the near - field
水下声强测量分析系统及其在近场测量中的应用
" installations " means all types of surface and underwater structures or installations , whether fixed or floating , and fixed platforms
“设施”是指水上水下各种固定或浮动建筑、装置和固定平台。