对讲机原理、使用及电路图集.part1.rar
资源较大,分为三个部分,已全部上传,全部下载完即可打开:
part1:https://dl.21ic.com/download/part1-463039.html
part2:https://dl.21ic.com/download/part2-463040.html
part3:https://dl.21ic.com/download/part3-463041.html