経過 けいか計時 けいじ機構 きこうじゃありませんでした
keikakeiji kikōja arimasendeshita

Noun
Desu Copula

The polite, past negative form of 経過計時機構

1. Was not a timing mechanism.; Was not a chronometer.

Past/Perfective
Negative
Polite
Terminal Form
Computing