three-centered arch的意思|示意
三心拱
three-centered arch的网络常见释义
三心拱 ... centred 冷静的 three-centered arch 三心平圆拱; 三心拱... base centered 底心的 ...
three-centered arch相关短语
1、 three centered arch 三心拱
2、 three centered arch dam 三心拱坝
3、 three centered arch west bank 三心拱
three-centered arch相关例句
A fornltila for calculating the heading section of arbitrary three-centered arch and circular arch types was derived in this paper.
文中推导出了任意三心拱和圆弧拱巷道断面积计算的公式。
A formula derived by the author for calculation of arbitrary three centered arch type headings was introduced here with some modifications made to the conventional design and calculation methods.
介绍了所推导的任意三心拱巷道计算公式，并修正了拱形巷道传统的设计与计算。