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子宋:10楼已经很漂亮了,一步一步来,业余的东西业余整,凭着自己知识和学习态度你会做得更好[表情] (2014-04-15 08:15)
bg5emc:测试前扫频仪有没有短路校准,插损这么小,有些地方还是正的? (2014-04-15 08:11)
bg6qbt:上一个FT180A滤波器测试记录。[图片] (2014-04-15 12:21)