The quality of vacuum distillates is closely related to the configuration of feeding part of the vacuum tower for crude distillation.
原油蒸馏装置减压塔进料段结构与减压馏分油的质量密切相关。
Normally, refined vacuum distillates of paraffinic Daqing crude oil are used as base stocks and are packaged with composite additives.
该油以大庆原油正常精制的减压馏分油为基础油，添加复合添加剂而成。
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