A pressure hull should withstand high diving pressure;the abilities of enduring underwater shocks and crashworthiness are also an essential during a mission or an attack.

• 潜舰之压力壳除了要抵抑潜深水压，在执行任务、遭遇攻击之际，抵抗水下爆震、克服碰撞的能力也属必备。