经过多年的市场考验。
他那简单却久经市场考验的新鲜食品加一流的服务公式是企业成功的真正秘诀。
His simple but proven formula of fresh food and great service is a true formula for business success.
概述了聚碳酸酯水桶面临的市场考验与聚酯水桶的市场机遇以及5加仑水桶专用料bg803瓶级聚酯切片的特点。
In this paper, the market challenges of PC water bottles and the opportunities of PET are presented, and thereby BG803 PET chips are introduced for 5-gallon water bottles.
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