圧電 あつでん振動 しんどう じゃなかったです
a tsu denshindōkojanakattadesu

Noun
Desu Copula

The polite, past negative form of 圧電振動子

1. Wasn't a piezoelectric vibrator.; Wasn't a piezoelectric oscillator.

Past/Perfective
Negative
Polite
Casual Register