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fei666:Ans: p%?R;W`u2 1.灯珠面积选更小的[表情] `a J[ !O 2.灯珠找更小发光角度的[表情] w<'mV^S 3.材料找更高折射率的[表情] q3;HfZ 4.灯珠离TIR再近一些[表情] (2023-01-03 22:49) :!R+/5a
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