The luminous efficiency of this system can be 86.6%, which has reasonable light distribution curve beyond comparison with current office lighting.
第一、高光效：该光槽系统光效达到了86.6%，光配曲线合理，是现有办公照明无法比拟的高效率照明系统。
The luminous efficiency of this system can be 86.6%, which has reasonable light distribution curve beyond comparison with current office lighting.
第一、高光效：该光槽系统光效达到了86.6%，光配曲线合理，是现有办公照明无法比拟的高效率照明系统。
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