附件解压缩后有原理图与PCB文件，绝对可以直接按PCB文件打板，性能稳定可靠、HIFI AMP PCB文件。 PCB文件字符层有参数标识。-Schematic and PCB files, Annex decompression can definitely play board PCB files, stable and reliable performance, HIFI AMP PCB file. The PCB file character Layer parameter ident

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