いん せん いん めん消去 しょうきょじゃなかったです
insen'immen shō kyo ja nakattadesu

Noun
Desu Copula

The polite, past negative form of 隠線隠面消去

1. Wasn't concealing/hiding.; Didn't cover up.

Past/Perfective
Negative
Polite
Casual Register
Computing