名词
中文翻译：聚烯烃
同义词：
['polymer', 'polyethylene', 'polypropylene例句：1. Polyolefins are widely used in the production of plastics and other materials.（聚烯烃在生产塑料和其他材料方面广泛应用。）']
例句：
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1. Polyolefins are widely used in the production of plastics and other materials.
聚烯烃在生产塑料和其他材料方面广泛应用。
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2.The polyolefin film is durable and resistant to wear and tear.
这种聚烯烃薄膜耐用且抗磨损。
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3. The polyolefin industry is a major contributor to the economy of many countries.
聚烯烃产业是许多国家经济的重要贡献者。