The lamp house has been installed standardlightsources, with all in their fixed position, they can't be inversion.
本灯灯箱所配备标准光源，全部安装在灯箱的固定位置上，位置不能颠倒。
2
LED lightsources complying with these specifications are utilized as the source of illumination in lighting products that comply with the appropriate end-product standard as listed below.