Submarines – Increases the Naval Combat and Survivability values of Submarines.
Submarines – Increases the Naval Combat and Survivability values of Submarines.
潜艇：增加潜艇的海面火力和幸存值。
Submarines – Increases the Naval Combat and Survivability values of Submarines.
潜艇：增加潜艇的海面火力和幸存值。