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自从第1次石油危机以来,欧美的聚酯及聚酯纤维生产厂家就开始不断地进行结构调整,最为显著的特点是这些公司有选择性地发展重点,通过出
Since the first oil crisis, the polyester and polyester fiber manufacturers in Europe and the United States have started to carry out structural adjustments. The most notable feature is that these companies have selective development priorities