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出入舱口潜艇的航行状态大多数是在水下,因此潜艇的出入舱口与水面舰艇有很大的区别。潜艇的出入舱口一般都兼作逃生舱口,有时还用做潜水人员出入潜艇的舱口,因此其结构必须经过特别的设计。一般地说,潜艇上的出入舱口采用双重舱盖结构,在其内盖与外盖之间,留有一段水密过渡通道。这段水密过渡通道是艇内人员进行逃生或者潜水人员进出潜艇时的重要通道。另外,当潜艇失事时,为了便于外界的救生
Access to hatch submarines most of the state of navigation in the water, so the hatch out of the submarine and surface ships are very different. Submarine hatchway access are generally both escape hatch, and sometimes also used as diving submarine hatch, so its structure must be specially designed. In general, access to the hatch on the submarine uses a double hatch structure with a watertight transitional passageway between the inner and outer covers. This watertight transitional corridor is an important avenue for personnel inside the boat to escape or to dive in and out of submarines. In addition, when the submarine crashed, in order to facilitate the life outside