核潜艇艇员
nuclear-powered submarine’s sailors
long term voyage
潜艇潜浮运动
Submarine bow-supine motion
潜艇潜航状态
submarine’s proceeding state underwater
潜艇潜望深度航行状态
submarine’s proceeding state at periscope depth
潜艇隐蔽路线
Submarine concealment route
声隐身技术
stealth technology
acousitc stealth technique
声隐身态势
hiding situation of submarine
声隐身性能
acoustic stealth situation
声隐身状态
acoustic stealth condition
半潜式旅游潜艇
semi-submersible tourist submarines
柴电潜艇动力系统
diesel generator submarine power system