经济跨径 meaning in English
economic span
Examples
- On the basis of the analyse of built continuous rigid - frame bridge ratio of span , according to the concept of engineering economy , while only to think about cost , the paper gains to choice rational ratio of span formula
以既有pc连续刚构桥孔跨比分析为基础，以工程经济为基本理论，提出了经济跨径的计算方法。