誘電 ゆうでん せいプラスチックじゃありませんでした
yūden sei purasuchikkujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 誘電性プラスチック

1. Was not dielectric plastic.; Was not a dielectric plastic.

Past/Perfective
Negative
Polite
Terminal Form
Computing