名词中文翻译
中文翻译：多聚烯烃
同义词：
['polyethylene', 'polypropylene']
例句：
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1.Polyolefins are widely used in the production of plastics and other materials.
多聚烯烃在生产塑料和其他材料中广泛应用。
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2. The new polyolefin material has excellent mechanical properties.
这种新的多聚烯烃材料具有出色的机械性能。
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3.Polyolefins are also used as fuel additives to improve their ignition quality.
多聚烯烃也被用作燃料添加剂，以提高其点火质量。