短語(yǔ)詞組短語(yǔ)boat repair unit 脩船小組boat support unit 小艇支援單位Boat propulsion unit 發(fā)明名稱(chēng)radial boat unit 轉(zhuǎn)出式吊艇柱Special Boat Unit 加上三支特艇部隊(duì)Boat propeller drive unit 發(fā)明名稱(chēng) 返回 boat unit