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fei666:Ans: 5&e<#" 1.灯珠面积选更小的[表情] yj$TPe_BW 2.灯珠找更小发光角度的[表情] \^V`ds*. 3.材料找更高折射率的[表情] 8l"O(B'#Z 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) F5 ]C{
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