Using single - plane calculation theory, this paper calculate the maximum horizontal pull of main and assistant cable, determine its minimize diameter.

用单索计算理论计算主索和副索的所受最大水平拉力，确定其最小直径。

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Large vertical and horizontal storage tanks can be assembled on the spot, and are not constrained by space concerns, therby achieving the maximum length-diameter ratio.

防火要求，使用寿命长，设计灵活、罐壁结构性能优异、大型立式、卧式贮罐可现场拼装完成制作，不受场地空间限制，可最大限度优化罐体长径比。

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