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fei666:Ans: :'p+Ql~c 1.灯珠面积选更小的[表情] }8tD|t[ 2.灯珠找更小发光角度的[表情] 4UP#~ 3.材料找更高折射率的[表情] U?BuV 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) |:)UNb?R"O
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