发布时间 ： 2021-01-28 01:51:24 UTC
类别 ： Classic physics
Page Views: 63 views
Fourth-order (24 dB/octave) two-way crossover
<img src="http://drr.ikcest.org/static/upload/24/2462fdea-ebcd-11e9-9ea9-00163e0618d6_m.jpg" />