UID:322425
UID:322562
UID:299242
fei666:Ans: f"z;' 1.燈珠面積選更小的[表情] +!Q*ie+q 2.燈珠找更小發(fā)光角度的[表情] vRh)o1u) 3.材料找更高折射率的[表情] cJE4uL< 4.燈珠離TIR再近一些[表情] (2023-01-03 22:49) MWv(/_b
UID:325395
UID:204511
UID:327830