静止 せいし土圧 どあつ係数 けいすうじゃなかったです
seishi doa tsukeisūjanakattadesu

Noun
Desu Copula

The polite, past negative form of 静止土圧係数

1. Wasn't the coefficient of earth pressure at rest.

Past/Perfective
Negative
Polite
Casual Register