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美国大部分的商品运输都依靠重型卡车。随着近10年美国经济的持续增长，卡车货运业发展迅速，越来越多的消费者从商品目录和网上订购商品，越来越多的生产商要求即时运送部件，这种需求形成了世界上最庞大的商品运输市场，也为重型卡车制造商带来了商机和挑战。为了保持和扩大?
Most U.S. goods rely on heavy trucks. With the continuous economic growth in the United States in the past 10 years, the freight forwarding industry has been developing rapidly. More and more consumers are ordering goods from catalogs and online, and more and more manufacturers are demanding immediate shipment of parts. This demand has formed the world The largest shipping market for goods also presents business opportunities and challenges for heavy-duty truck manufacturers. In order to maintain and expand?