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fei666:Ans: jy5[K. 1.灯珠面积选更小的[表情] `^hA &/1 2.灯珠找更小发光角度的[表情] fx(8 o+ 3.材料找更高折射率的[表情] { >izfG,\ 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) Q5Nbu90
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