どう粘性 ねんせい係数 けいすうじゃなかったです
dō nenseikeisūjanakattadesu

Noun
Desu Copula

The polite, past negative form of 動粘性係数

1. Wasn't dynamic viscosity.; Wasn't a dynamic viscosity coefficient.

Past/Perfective
Negative
Polite
Casual Register