submerged area meaning in Chinese

浸没地区
水下侧面积
淹没地区

As a long time protective coating for steel plate in severely corrosive environment , i . e . the submerged areas , e . g . ship - bottom , holds for crude of fuel oil , ballast tanks , etc
作为长效保护涂料，用在严重腐蚀环境中的钢板及浸在水中的部位，如船底、原油或燃油舱、压载水舱等。
Based on the distribution of cultural heritages and previous research achievements in the submerged area of the danjiangkou reservoir in henan , this paper discusses the significance , necessity and basic condition of setting academic issues , and then explains and analyzes some important academic issues
本文根据丹江口水库河南省淹没区的文物分布情况和既往的文物考古研究成果,对设置学术课题的重要性和必要性以及设置学术课题的基础条件进行了论述,进而就所设置的几个主要考古学术课题进行了必要的说明和分析。