還流 かんりゅう冷却 れいきゃく であれば
kanryūreikyakukideareba

Noun
Da Copula

The "-eba" conditional form ("if/when…") of 還流冷却器

1. If it is a reflux condenser; Provided it's a reflux condenser; Assuming it's a reflux condenser

Ba Conditional