submarinesn.潜艇名词submarine的复数形式.submarinen.潜水艇adj.海面下的submarine seismograph海底地震仪submarine observation海底观测Submarine Rescue Unit潜艇救援小队Submarine Repair Unit潜艇修理小队submarine compartment潜艇隔舱submarine working suit潜艇工作服Submarine Sunk Message潜艇沉没信息submarine range finder潜艇测距计submarine sound signal水声信号Submarine Refit Centre潜艇整修中心