The calculation formulae of the segmentation height of the conical transition according to the steel plate width were given, therefore , the length of the steel plate to be used can be calculated.
推导了根据钢板宽度确定锥体分段高度的计算公式，对锥体进行排料并推导出了排料所需钢板长度的计算公式。
2
Calculation methods to determine the mass of polygonal and non-regular form steel plate are introduced and a principal block diagram for oil tank bottom plate mass calculation is listed in this paper.
介绍了多边形钢板与不规则多边形钢板质量的计算方法，列出了用计算机计算油罐底板质量的原理框图。
3
Although velocity varies among different plate, plate heat exchanger in the change of heat and fluid resistance calculation, is still at an average velocity to calculate.