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fei666:Ans: i42M.M6D $ 1.灯珠面积选更小的[表情] ^AI5SjOUx 2.灯珠找更小发光角度的[表情] Q)n6.%V/e 3.材料找更高折射率的[表情] 3U_-sMOB| 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) xg|\\i
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