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fei666:Ans: %VS+?4ww 1.灯珠面积选更小的[表情] 4E@_Fn_# 2.灯珠找更小发光角度的[表情] [#;CBs5o 3.材料找更高折射率的[表情] S^nI=HTm 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) +O@|bd\
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