こう負荷 ふか容量 ようりょう じゃなかったです
kōfu kayō ryōkajanakattadesu

Noun
Desu Copula

The polite, past negative form of 高負荷容量化

1. Wasn't high-load capacity.; Wasn't capable of high load.

Past/Perfective
Negative
Polite
Casual Register