underwater gun水下枪械
underwateradj.在水中生长的;水下的adv.在水下
underwater explosion bubble水下爆炸气泡
underwater bearing platform水下承台
underwater sound transducer水声换能器
underwater irradiance meter水下辐射度计
underwater dry cabin system水下干式舱系统
underwater acoustic network水声网络
underwater target searching水下目标搜索
underwater acoustic signals水声信号