water ballast短语¹⁴⁴⁹⁷²⁺² 基本例句 n.镇船水载水衡重;水压载;压舱水 As a protective coating for water ballast tanks, cofferdams, bilges, void spaces, etc. 用作压载水舱、贮槽、空隔舱、舱底以及空隙部位的防护。 www.starmarine.com.cn Seawater wet-dry cycling is a common corrosion condition in the ocean industry, such as water ballast tank condition. 在海洋环境中，有许多的金属构件经常处于海水干湿交替状态下，如船舶压载水舱。 cnki