くい しゅう めん摩擦 まさつ りょくではありませんでした
kuishūmen masatsuryokudewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 杭周面摩擦力

1. It was not HangZhou friction.; It wasn't HangZhou friction.

Past/Perfective
Negative
Polite
Formal Register