Propylene and ethylene are the major raw chemical materials for organic chemical industry, which are mainly derived from hydrocarbon steam cracking process.
丙烯、乙烯是重要的基本有机化工原料，且二者的市场需求日益旺盛，其主要来源是蒸汽裂解装置。
Propylene and ethylene are the major raw chemical materials for organic chemical industry, which are mainly derived from hydrocarbon steam cracking process.
丙烯、乙烯是重要的基本有机化工原料，且二者的市场需求日益旺盛，其主要来源是蒸汽裂解装置。
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