読取 よみと書込 かきこ開口 かいこう だったら
yomitori kakikomikai kōbudattara

Noun
Da Copula

The "-tara" conditional form ("if/when…") of 読取り書込み開口部

1. If it were a read/write aperture.; If the read/write aperture existed.

Tara Conditional
Computing