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The technological remoulding of dethanizing column in the ethylene unit of Lahzhou Petrochemical Company was introduced.
介绍了兰州石化公司乙烯装置脱乙烷塔系统的改造.
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The composition of by - product steam racking in the ethylene unit and its utilization development were introduced.
介绍乙烯装置裂解到产品C_ 5馏分的组成和开发利用途径.
国先网英语在线翻译词典收录了4367410条英语词汇在线翻译词条，基本涵盖了全部常用英语词汇的中英文双语翻译及用法，是英语学习的有利工具。