一种定义
四种语言
0,1,2
- 德國
- 英語
- 中國
- 西班牙語
能量效率 (n)
Energiewirkungsgrad (m)
energy efficiency (n)
Housed in an extremely slim aluminium casing, the latest generation of LED technology delivers much better energy efficiency than conventional light fittings.
一种定义
四种语言
Housed in an extremely slim aluminium casing, the latest generation of LED technology delivers much better energy efficiency than conventional light fittings.
