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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。
youdao
-
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。
youdao