大学英语词汇短语释义解析及例句 ballast bed
大学英语词汇短语释义解析及例句 ballast bed
释义:
ballast bed 道床;[铁路] 道碴床;碎石道床;道碴路基
例句:
With the standard finite element analysis tension stress appears in the ballast bed in violation of the condition real.
现行的有限元分析方法,得到道床内出现拉应力的分析结果,这与实际情况是相违背的。
In this paper, aiming at the characteristics of urban track traffic, research has been done mainly on support spacing of rail on integrated ballast bed of viaduct.
因此本文针对城市轨道交通的特点,着重对高架桥上整体道床的钢轨支承间距进行研究,计算分析了不同轨枕间距对轨道结构力学特性的影响。
