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文章对用ＰＲＯＴＥＬ设计单面印刷电路板时如何进行布局连线以及怎样利用元器件的斜放、竖放封装形式以减少跳线的使用和节约空间，打印黑白墨图时打印比例如何控制等问题作详细的解说。
This article discusses how to design layout of single-sided printed circuit board with PROTEL and how to use the components of the oblique, vertical package to reduce jumper use and save space, printing black-and-white ink when the print ratio control and other issues For a detailed explanation.