長期 ちょうき信用 しんよう銀行 ぎんこうであれば
chōki shin'yō ginkōdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 長期信用銀行

1. If it were a long-term credit bank; If it is a long-term credit bank

Ba Conditional