電磁 でんじ両立 りょうりつ せいじゃなかったです
denji ryōritsu seijanakattadesu

Noun
Desu Copula

The polite, past negative form of 電磁両立性

1. Wasn't electromagnetic compatibility.; Wasn't compatible.

Past/Perfective
Negative
Polite
Casual Register
Electrical Engineering