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fei666:Ans: kF2Qv.5! 1.灯珠面积选更小的[表情] Gc^t%Ue-H) 2.灯珠找更小发光角度的[表情] [Q:f-<nH 3.材料找更高折射率的[表情] #%WCL'6B 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) - p^'XL*Z
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