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美国《现代轮胎经销商》(www.moderntiredealer.com)2011年3月11日报道:根据美国ACT研究公司报告,由于市场出现升级换代迹象,因此支持美国重型商用车需求
According to a report by the ACT Research Company in the United States, heavy vehicle demand for heavy vehicles in the United States is supported due to signs of upgrading and replacement in the market.