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At present there is increasing demand for special polyester film in domestic market.
目前国内特种聚酯薄膜市场的需求在不断增长，国际市场前景更加广阔。
youdao
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The quality of film selection of optical grade polyester film.
而优质膜选用光学级聚酯膜。
youdao
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The quality of film selection of optical grade polyester film.
而优质膜选用光学级聚酯膜。
youdao