完善为能源意识到，目前发光二极管成本效益低，维修，并拥有很大的长寿。

Perfect for the energy conscious, LEDs are cost effective, low maintenance and possess great longevity.

youdao

完善为能源意识到，目前发光二极管成本效益低，维修，并拥有很大的长寿。

Perfect for the energy conscious, LEDs are cost effective, low maintenance and possess great longevity.

youdao