Some fiber qualitative characters such as 2.5% span length, tenacity and length uniformity were improved.
并改善了棉纤维2.5%跨距长度、比强度和整齐度等品质性状。
Presents the strength reduction calculating method of the tension bar when the minimum span length is not sufficed.
同时给出了当构件跨度不满足最小跨度要求时受拉钢筋强度折减的计算方法。
In the modern traffic system, the suspension bridge scheme which has the long span length is thought more and more important.
在现代交通体系中，大跨径悬索桥方案越来越被人们所重视。
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