経過 けいか計時 けいじ機構 きこうじゃなかったです
keikakeiji kikōjanakattadesu

Noun
Desu Copula

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

1. Wasn't a timing mechanism.; Wasn't a chronometer.

Past/Perfective
Negative
Polite
Casual Register
Computing