balloon hull
英 [bəˈluːn hʌl]
美 [bəˈluːn hʌl]
气球壳
双语例句
- Heavy material that is placed in the hold of a ship or the gondola of a balloon to enhance stability. As anticorrosive paint for hull under water, water ballast tank and crude oil tank, etc.
压舱物，压载放在船舱或气球吊篮里以增加稳定性的重物主要用于船壳水下部分及压载舱、油舱等部位的防腐漆。