ちょう弩級どきゅう戦艦せんかんであれば
chōdokyūsenkandeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 超弩級戦艦

1. If it were a super-dreadnought battleship; If it is a super-dreadnought battleship

Ba Conditional