underwater TV水下电视
underwateradj.在水中生长的;水下的adv.在水下
underwater cleaning水下除污
underwater ejection水下弹射
Underwater facility水下设施
underwater mobility水下可动性
underwater blasting水下碎裂,水底爆炸
underwater exercise[医] 水中运动
underwater vehicles水下机器人
underwater acoustic水声
underwater trencher水下挖掘机
underwater starting水下起动