以下为句子列表：
英文: By the dynamic stress test, the stress spectrum of cross sustaining device's weaking section is obtained, then the loads of cross sustaining device for the speed increased freight car in utilizing condition is identified, which offer the foundation for th
中文: 摘要通过动应力测试得到交叉支撑装置疲劳薄弱部位在线路运行中的应力谱，从而识别出提速货车交叉支撑装置在运用工况下的载荷，为其室内疲劳试验加载提供依据。
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英文: Freight car sizes also increased, with eight-wheel cars being common by 1859.
中文: 货车容量也增加了，到1859年，八轮车厢已很普遍。
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英文: The part of a truck, trailer, or freight car designed to carry loads.
中文: 平板卡车、拖车或载重运输汽车的一部分
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