Based on the application practice of network chart in repair work of construction machinery, a programming method and hints for network chart are offered.

根据网络技术在工程机械修理工作中的应用实践，提出了网络图的编绘方法和技巧；

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As the drive circuit board are programmable chips, circuit board repair so hard not just "soldering iron" and "solder" work, but also the use of specialized programming equipment.

由于硬盘电路板使用的都是可编程芯片，所以硬盘电路板的修复不仅仅是“电烙铁”和“焊锡”的工作，还需要使用专门的编程设备。

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