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fei666:Ans: :Zw2'IV 1.燈珠面積選更小的[表情] R.<g3"Lm> 2.燈珠找更小發(fā)光角度的[表情] b@hqz!)l` 3.材料找更高折射率的[表情] SXP]%{@R/ 4.燈珠離TIR再近一些[表情] (2023-01-03 22:49) V(!V_Ug9.
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