エネルギー効率 だろう
enerugii kōritsudarō
1. Probably energy efficiency.
Noun
#94833
1. Probably 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. seems; I think
2. right?; don't you agree?