読取 よみと書込 かきこ開口 かいこう ではありませんでした
yomitori kakikomikai kōbudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 読取り書込み開口部

1. Was not a read/write aperture.; Was not a read/write opening.

Past/Perfective
Negative
Polite
Formal Register
Computing