制震 せいしん構造 こうぞうではありませんでした
seishinkōzōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 制震構造

1. Was not a seismic isolation structure.; Was not a vibration control structure.

Past/Perfective
Negative
Polite
Formal Register
Architecture