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fei666:Ans: !f-mC,d 1.灯珠面积选更小的[表情] ;W]NT4p 2.灯珠找更小发光角度的[表情] D-\\L[ 3.材料找更高折射率的[表情] E]WammX c 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) VJJGTkm
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