Painting the sides of railroad rails white to reduce derailment

将火车铁轨侧面涂成白色以减少脱轨

HN 101 分 · 51 条评论 · 作者 zdw · 来源 www.up.com · HN 讨论

【摘要】

Union Pacific is the largest freight railroad in the United States, covering 23 states and approximately 7,300 communities while connecting businesses to the global economy.

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