safety of train derailment
safety of train derailment
列车脱轨安全
以上为机器翻译结果，长、整句建议使用 人工翻译 。
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Based on the theory of energy random analysis for train derailment, train running safety on Hujiawan bridge was calculated.
运用列车脱轨能量随机分析理论，计算了胡家湾大桥上列车走行安全性。
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