勧業 かんぎょう博覧 はくらん かいだったら
kangyōwa kuran kaidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 勧業博覧会

1. If/When the Industrial Exposition…; Had it been the Industrial Exposition…; Were it the Industrial Exposition…

Tara Conditional