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what lights that call lamp strongly distribute the curve?

Hits:  UpdateTime:2015-06-16 11:12:43

Reply: the lamp light strongly distributes the curve also says to join the merely curve, usually is at through illuminate the device shines central flat surface on, use suitable coordination hold strongly merely express for angle¡ê¡§from the moment certain gives the direction calculate rise¡ê?the functional curve.


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