[{"title":"( 7 个子文件 15.47MB ) PCB 设计实例","children":[{"title":"PCB设计实例","children":[{"title":"24 项目三 高频PCB设计.ppt <span style='color:#111;'> 1.38MB </span>","children":null,"spread":false},{"title":"21 项目一声光控节电开关PCB设计.ppt <span style='color:#111;'> 2.69MB </span>","children":null,"spread":false},{"title":"25 项目四 模数混合PCB设计.ppt <span style='color:#111;'> 1.46MB </span>","children":null,"spread":false},{"title":"项目6-2_PCB自动布线与流水灯PCB设计_(2).ppt <span style='color:#111;'> 3.43MB </span>","children":null,"spread":false},{"title":"23 项目六 PCB自动布线与流水灯PCB设计.ppt <span style='color:#111;'> 3.80MB </span>","children":null,"spread":false},{"title":"26 项目五 贴片异形PCB设计.ppt <span style='color:#111;'> 2.93MB </span>","children":null,"spread":false},{"title":"22 项目二 节能灯PCB设计.ppt <span style='color:#111;'> 1.94MB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]