The research team discovered a by-product of the oil refining process called cyclopentene. This was combined with a polymer to make a substance very similar to natural rubber.
该研究小组发现石油炼制过程中有一种名为环戊烯的副产品，它和某种聚合物结合后能生成一种非常类似于天然橡胶的物质。
Open rubber mixing machine for. Rubber factory is used for the preparation of plastic rubber, rubber or heat refining, a type of roller exposed rubber machinery.
开放式炼胶机的简称。橡胶工厂用来制备塑炼胶、混炼胶或进行热炼、出型的一种辊筒外露的炼胶机械。
Sinopec Qilu petrochemical Company is one of the subordinate group, as the large petrochemical joint ventures with a set of oil refining, ethylene, rubber, chemical fiber, plastic.
齐鲁石化公司是中国石化集团公司的直属企业之一，是一家集炼油、乙烯、橡胶、化纤、塑料为一体的特大型石油化工联合企业。
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