提高重质油深加工是炼油厂挖潜增效的重要途径。
Deep processing of heavy oil is an important route in refinery.
与常规柴油不同，船用柴油包含一些重质燃料油。
Marine diesel oil contains some heavy fuel oil, unlike regular diesels.
以重质洗油为原料，二甲苯为溶剂精制工业芴。
The technical fluorene has been refined from the heavy wash oil with xylene.
以重质洗油为原料，二甲苯为溶剂精制工业芴。
The technical fluorene has been refined from the heavy wash oil with xylene.
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