文件名称:bell_pcb
介绍说明－－下载内容均来自于网络，请自行研究使用
很详细的电话原理图，非常的好-Very detailed schematic diagram of the phone, very good
(系统自动生成,下载前可以参看下载内容)
下载文件列表
电话机原理图
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............\20053221728340.pdf
............\20053221733270.pdf
............\20053221735040.pdf
............\20053221736500.pdf
............\20053221738330.pdf
............\20053221740000.pdf
............\20053221742070.pdf
............\20053221743210.pdf
............\20053221744420.pdf