短語(yǔ)詞組短語(yǔ)underwater mobile vehicle 水下移動(dòng)目標(biāo)underwater tracked vehicle 鉸接式履帶車powered underwater research vehicle 自航式水下調(diào)查潛水器underwater navigation vehicle 水下航行器controlled underwater recovery vehicle 遙控水下回收器underwater recovery vehicle 救撈潛水器underwater observation vehicle 水下觀察潛水器underwater observing vehicle 水下監(jiān)測(cè)機(jī)器人underwater homing vehicle 水下自主航行器 返回 underwater vehicle