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fei666:Ans: QvyUd%e'5A 1.灯珠面积选更小的[表情] :;#c:RKi: 2.灯珠找更小发光角度的[表情] o 2$<>1^ 3.材料找更高折射率的[表情] h;mQ%9 Yd 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) _3-,3ia
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