计算分析了不等边 Z 字钢在蝶式孔型中厚度变化的规律。

The alteration rule of inequilateral Z-type steel thickness in butterfly pass is calculated and analyzed.

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本文针对蝶式孔型的结构特点，计算分析了不等边不等厚Z字钢在蝶式孔型中边部厚度变化的规律，为生产实践提供参考。

The alteration rule of inequilateral Z-type steel thickness in butterfly pass is calculated and analyzed on its construction property, which can give some information for production.

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给儿童介绍不同种类的三角形，如等边三角形、等腰三角形、不等边三角形和直角三角形。

Introduce children to different kinds of triangles, such as equilateral, isosceles, scalene, and right.

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