乾熱 かんねつ滅菌 めっきんではありませんでした
kannetsumekkindewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 乾熱滅菌

1. Was not dry-heat sterilization.; Was not dry heat sterilization.

Past/Perfective
Negative
Polite
Formal Register