加圧かあつすいがた軽水けいすいじゃなかったです
kātsusuiga takei suirojanakattadesu

Noun
Desu Copula

The polite, past negative form of 加圧水型軽水炉

1. Wasn't a pressurized water reactor.

Past/Perfective
Negative
Polite
Casual Register