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fei666:Ans: w]n4KR4 1.灯珠面积选更小的[表情] 9^oo-,Su_ 2.灯珠找更小发光角度的[表情] :ezA+=ENg 3.材料找更高折射率的[表情] fb/qoZ 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) =h(7rU"Yz
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