underwater gun水下枪械
underwateradj.在水中生长的;水下的adv.在水下
underwater firing of torpedo钱雷水下发射
Underwater Weapon Department水下兵器部门
Underwater Engineering Group水下工程小组
underwater vacuum preloading水下真空预压
underwater acoustic networks水声网络
underwater cylindrical shell水下圆柱壳体
underwater contact explosion水下接触爆炸
underwater brushable coating水下施工涂料
underwater television camera水下电视摄像机