視聴覚 しちょうかく教室 きょうしつだったら
shichōkakukyōshitsudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 視聴覚教室

1. If it were the audiovisual room; If the audiovisual room existed; When it's the audiovisual room

Tara Conditional