燃料 ねんりょう集合 しゅうごう たいじゃなかったです
nen ryōshūgōtaijanakattadesu

Noun
Desu Copula

The polite, past negative form of 燃料集合体

1. Wasn't a fuel assembly.; Wasn't fuel assemblies.

Past/Perfective
Negative
Polite
Casual Register