慣性 かんせい誘導 ゆうどうじゃなかったです
kanseiyūdōjanakattadesu

Noun
Desu Copula
no-Adjective

The polite, past negative form of 慣性誘導

1. Wasn't inertial guidance.; Wasn't using inertial guidance.

Past/Perfective
Negative
Polite
Casual Register