圧力 あつりょく抑制 よくせい しつではありませんでした
atsuryoku yoku seishitsudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 圧力抑制室

1. Was not the pressure suppression chamber.; Was not a pressure suppression chamber.

Past/Perfective
Negative
Polite
Formal Register