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分析了通常的垂度工程计算方法的不足,给出了实用工程计算方法。该方法计算过程简单,精度较高,宜在工程设计中推广。
The insufficiency of usual sag engineering calculation method is analyzed, and the practical engineering calculation method is given. The method has simple calculation process and high precision and should be popularized in engineering design.