本文介绍了嵌线方法较简便的交叉式绕组展开图的画法，并对嵌线规律及其优点进行了总结。

This article introduced drawing technique of the simple outspread diagram of alternative coils, then the rule and the advantages of this method were summarized.

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文章通过对绘制交流电机定子绕组展开图过程的分析，提出统一绘制三相对称绕组展开图的程序。

This paper introduces the judgement way of homonymous ends of three-phase windings about out of sync motor in cub modal , and analyses its principle .

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