成分 せいぶん調整 ちょうせい牛乳 ぎゅうにゅうであれば
seibunchōseigyūnyūdeareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 成分調整牛乳

1. If it's adjusted-component milk; If it were adjusted-component milk

Ba Conditional