钢圆煤斗是大型火力发电厂主厂房一个重要的建筑物，但现行的国家及部门规程规范中没有相应的计算煤斗壁厚的设计条文，故有必要对其计算方法作一综合性的探讨。

The circle steel coal bucket is a main building in large thermal power plant, but in national and departmental standards there are no design articles about the wall thickness calculation.

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有些决定，如壁厚和销轴直径，可能取决于科学的计算，但非科学的部分的设计仍然是首要的。

Some decisions, such as wall thickness and pin diameter, may depend on scientific calculations, but the nonscientific component of design remains primary.

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塑料水槽的设计的内容包括制品的材料选择，壁厚的确定，收缩率的确定以及用UG软件绘制的过程。

The flume's design includes the selection of the material, thickness, contractibility and how to use UG to plot it.

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