差動 さどう歯車 はぐるま装置 そうちじゃありませんでした
sadōhagurumasōchijārimasendeshita

Noun
Desu Copula

The polite, past negative form of 差動歯車装置

1. Was not a differential gear.; Was not a differential mechanism.

Past/Perfective
Negative
Polite
Terminal Form