地熱 ちねつ貯留 ちょりゅう そうではありませんでした
chinetsu choryūsōdewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 地熱貯留層

1. Was not a geothermal reservoir.; Was not a geothermal storage layer.

Past/Perfective
Negative
Polite
Formal Register
Geology