圧電 あつでん振動 しんどう じゃありませんでした
a tsu denshindōkojārimasendeshita

Noun
Desu Copula

The polite, past negative form of 圧電振動子

1. Was not a piezoelectric vibrator.; Was not a piezoelectric oscillator.

Past/Perfective
Negative
Polite
Terminal Form