重质沥青
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heavy duty bitumen 重交沥青
heavy traffic bitumen 重交沥青
bitumen heavy oil 沥青质稠油
·2,447,543篇论文数据，部分数据来源于NoteExpress
The line is critical to ensure a continued, smooth ramp-up in oil sands production, because producers need to send the heavy bitumen extracted from the sands to refineries able to handle that kind of crude.
FORBES: If U.S. Says No To Canadian Oil Sands Pipeline, China Will Say Yes
Alberta, Canada is site of the world's largest extraction operations from oil sands, heavy earth laden with bitumen, a hydrocarbon-rich mineral.
FORBES: On The Cover/Top Stories
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