导线上任意一点到悬挂点连线之间的铅垂距离称为导线在该点的弧垂。
其弧垂值的获得一般是查设计部门提供的放线曲线。
To obtain the value the common way is to lookup the curves provided by the design departments.
本文提出了用计算机进行弧垂综合管理及其实现方法。
To overcome these defaults, this paper presents a reliable integrated management of sags by using computer.
传统的手工计算弧垂方法不仅计算量大，而且容易出错。
Using traditional manual method, sag calculation is complex and liable to make mistakes.
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