至少部分基本上不含沥青质且不含金属的馏出馏分被转化成供氢体稀释剂。
At least some of the substantially asphaltene-free, and metal-free distillate fraction is converted to a hydrogen donor diluent.
至少部分基本上不含沥青质且不含金属的馏出馏分被转化成供氢体稀释剂。
At least some of the substantially asphaltene-free, and metal-free distillate fraction is converted to a hydrogen donor diluent.
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