shitsuryōenerugiideareba
1. If/when mass-energy; If it is mass-energy
Noun
#253410
1. If/when mass-energy; If it is mass-energy
1. energy conservation; economical use of energy
1. energy
1. Agency of Natural Resources and Energy
1. mass
2. quality and quantity
1. Let's…; Shall we…
1. To have someone do; To let someone do
1. Must do; Have to