耐震 たいしん構造 こうぞうじゃなかったです
taishinkōzōjanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 耐震構造

1. Wasn't earthquake-resistant.; Wasn't a seismic structure.

Past/Perfective
Negative
Polite
Casual Register