エネルギー効率 なら
enerugii kōritsunara
1. If energy efficiency; When energy efficiency
Noun
#99086
1. If energy efficiency; When energy efficiency
1. energy conservation; economical use of energy
1. energy
1. public (institution)
1. efficient
1. Agency of Natural Resources and Energy
1. efficiency
1. high rate
1. Energy conservation.; Saving energy.