The lamp house has been installed standard light sources, 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。
LED light sources 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.
符合规范要求的LED光源被用作灯具产品的照明源，这些灯具产品都要符合到如下所列的其对应的成品安全标准要求。
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