three centered arch的意思|示意
三心拱
three centered arch的网络常见释义
三心拱 ... three berth slipway 三船席滑道 three centered arch 三心拱 three centered arch dam 三心拱坝 ...
three centered arch相关短语
1、 three centered arch dam 三心拱坝
2、 three centered arch west bank 三心拱
3、 three-centered arch 三心拱
three centered arch相关例句
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。
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。