LED micro bulbs. observation of light semiconductor diodes. Electric crystals of light. The concept of lighting equipment and energy savings
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能源发射电源背景电动白色灯泡透明塑料环境电子颜色二极管新建明亮微型特写镜头闪亮半导体组件设备电力设计技术脱纱线装饰模块正在保存灯光点亮摘要绿色电气