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fei666:Ans: }b1G21Dc! 1.灯珠面积选更小的[表情] pT,8E(*l2 2.灯珠找更小发光角度的[表情] QM(xMq 3.材料找更高折射率的[表情] T_*inPf 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) D\Ez~.H
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