虽然冷藏车企业数量不少，但老牌冷藏车生产企业的竞争优势非常明显。
Although the number of firms in a lot of refrigerated trucks, refrigerated trucks but veteran manufacturer's competitive advantage is obvious.
问题在于小企业数量庞大，即使每家企业每年销售几十辆，冷藏车的销售总量也相当可观。
The problem is the large number of small businesses, even though each company sold dozens of cars each year, total sales of refrigerated trucks is also considerable.
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