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fei666:Ans: !'N@ZZ 1.灯珠面积选更小的[表情] #4Z e2T| 2.灯珠找更小发光角度的[表情] _RaE:) 3.材料找更高折射率的[表情] Lng. X8D 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) _{jC?rzb
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