railroad bridge是什么意思 railroad bridge怎么读
railroad bridge的用法和样例
用作名词 (n.)
- Based on energy random analysis theory for derailment, a new method for analyzing the limit value of bridge lateral rigidity for derailment prevention is established.
基于列车脱轨能量随机分析理论,提出新的铁路桥梁横向刚度限值分析方法。
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