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fei666:Ans: )eV]M~K: 1.灯珠面积选更小的[表情] sP#5l @ 2.灯珠找更小发光角度的[表情] }#@LZ)]hK 3.材料找更高折射率的[表情] xMu6PM<l 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) 1>LquZ+Kj
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