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fei666:Ans: q}1$OsM 1.灯珠面积选更小的[表情] 7Rh:+bT 2.灯珠找更小发光角度的[表情] 1aDDl-8, 3.材料找更高折射率的[表情] mcX akWmi 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) }-Ma~/
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