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

Noun
Desu Copula
Negation Auxiliary

The polite negative form of 読取り書込み開口部

1. It is not a read/write aperture.; It is not a read/write opening.

Negative
Polite
Formal Register
Computing