光学 こうがく しきマーク 装置 そうちだったら
kōga kushiki mākuyomitorisōchidattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 光学式マーク読み取り装置

1. If it were an optical mark reader.; If it was an optical mark reader.

Tara Conditional
Computing