熱延 ねつえん鋼板 こうばんじゃありませんでした
netsuenkō banjārimasendeshita

Noun
Desu Copula

The polite, past negative form of 熱延鋼板

1. Was not hot-rolled steel sheet.; Was not a hot-rolled steel sheet.

Past/Perfective
Negative
Polite
Terminal Form