姿勢 しせい制御 せいぎょシステムじゃありませんでした
shiseiseigyoshisutemujārimasendeshita

Noun
Desu Copula

The polite, past negative form of 姿勢制御システム

1. Was not an attitude control system.; Was not a posture control system.

Past/Perfective
Negative
Polite
Terminal Form
Physiology