分析发现基板材料、散热器大小不同，达到平衡状态时的温度不同，对LED灯的光通量衰减影响程度不同。
Analysis showed that under the different condition of substrate materials, sizes of radiator, the flux LED bulbs attenuate different affect extent.
T185-C工程型LED日光灯电源出线在散热器背后，用户完全看不到电源走线，非常美观；
The outwards line of T185-C construction lamp is at the back of radiator, so users could not see any wire, which causes the nice appearance.
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