制御 せいぎょ 拡張 かくちょうではありませんでした
seigyo bukaku cho udewa arimasendeshita

Noun
Desu Copula

The polite, past negative form of 制御部拡張

1. Was not a control unit expansion.; It was not an expansion of the control unit.

Past/Perfective
Negative
Polite
Formal Register
Computing