圧縮 あっしゅく技術 ぎじゅつじゃありませんでした
asshukugijutsujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 圧縮技術

1. Was not compression technology.; Was not a compression technique.

Past/Perfective
Negative
Polite
Terminal Form
Computing