構造 こうぞう たい成分 せいぶんじゃなかったです
kōzōtai seibunjanakattadesu

Noun
Desu Copula

The polite, past negative form of 構造体成分

1. Was not a structure member.; Wasn't a structural component.

Past/Perfective
Negative
Polite
Casual Register
Computing