加圧かあつすいがた軽水けいすいではありませんでした
kātsusuiga takei suirodewārimasendeshita

Noun
Desu Copula

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

1. Was not a pressurized water reactor.; Was not a light water reactor.

Past/Perfective
Negative
Polite
Formal Register