Equality heat of tube, the light efficiency of tri-color powder was raised so the power 5% higher, more energy-saving.
发光管受热均匀，从而提高三基色荧光粉的发光效率，因此功率提高5%更加节能。
Equality heat of tube, the light efficiency of tri-color powder was raised so the power 5% higher, more energy-saving.
发光管受热均匀，从而提高三基色荧光粉的发光效率，因此功率提高5%更加节能。
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