led 灯具构成英文 led 球泡灯: led bulb Led 贴片灯珠: SMD LED Led 驱动电源: led driver 隔离电源: isolated driver 非隔离电源: non-isolated driver 玻璃罩: glass cover 陶瓷罩: ceramic cover 塑料罩: plastic cover 透镜 :lens 散热器: heat sink 铝外壳: aluminium housing E27 底座: E27 base 螺母: nut 接头: coupling 接线端子: Terminal 保险丝: fuse 硅套管: silicon sleeve 螺丝: Screw 电线: Cord/Wire 地线: Ground Wire 导热座: heat conduction block Led 灯管: le