The effect of primary prestress and cross section of the cable on the structural displacement is studied in the article.
文中还研究了拉索的初始预应力和横截面积对结构位移的影响。
The cross section areas of overhead optical cable reinforcing materical are calculated for a big span.
在大跨距条件下用悬链法计算了光缆的相对伸长量与增强层厚度的关系曲线。
It can be to improve the quality of supply that the reasonable selection of underground low voltage cable cross section.
合理选择井下低压电缆截面，可为提高供电质量提供客观依据。
应用推荐