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yu-xuegang:你说的很不清晰。你要做的是平行光管那,还是照明那。 (2011-10-25 20:18) B^W0Ik`m
tangping:在我设计水平上,就达不到,只有用透镜组的模式才行.单个透镜,应该是达不到 (2011-10-25 22:53) /"d5<B `%
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峰峰:经过矩形导管玻璃棒的面光源,张角较大,怎么准直,大家能给点建议吗? (2021-02-23 11:40) i{zg{$ U