直升机舰面系统是各种先进的护卫舰、驱逐舰等大型舰艇重要的组成部分。
The warship surface system for helicopter makes great contribution to every large ship like destroyer and frigate.
他们是经过2级科技改造的护卫舰，它们比通常的护卫舰有更强的火力，通常用来为大型战舰护航。
These are tech level II frigates with much higher fire power than regular frigates and intended as support ships for larger groups.
他们是经过2级科技改造的护卫舰，它们比通常的护卫舰有更强的火力，通常用来为大型战舰护航。
These are tech level II frigates with much higher fire power than regular frigates and intended as support ships for larger groups.
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