以下为句子列表：
英文: Because of technical and architectural considerations, a unique combination of rolled and cast steel was selected for the arch bridge as well as for certain supports elsewhere along the viaduct.
中文: 由于技术和建筑学的考虑，一种独特的轧制钢被选用于拱桥和高架桥身的某些特定支撑。
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英文: Believed to be the first use of cast steel for railway bridge structures in Germany—and perhaps the world—the viaduct's cast steel connections underwent substantial testing to determine their static and dynamic behavior.
中文: 因为铸铁可以铸造成几乎任何的几何形状这使得独立构件间的建筑上的过渡变得缓和、优美。
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英文: Cast steel contains carbon of less than .3% by weight, while cast and ductile irons have at least 3% total carbon.
中文: 铸钢含碳量少于0.3%，而铸铁和球墨铸铁含炭量量则至少为3%。
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英文: Crown wheels are cast steel manufacture, heat treatment machines increases from each pulley roller bearings by the installation of the shafts, ensure good results.
中文: 天车轮均用合金铸钢制造，热处理后机加而成，每个滑轮都由滚子轴承安装在轴上，确保使用效果良好。
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英文: A STUDY ON FATIGUE LIFE PREDICTION OF CAST STEEL SIDE FRAME FOR FREIGHT WAGONS UNDER RANDOM LOAD SPECTRUM
中文: 货车铸钢侧架随机载荷谱下的疲劳寿命预估研究
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