The heat-carrying agent transportation is the key link in the biologicalfuel oil production process.
热载体输送是生物燃油生产过程中的关键环节，输送过程中温度与输送量直接影响生物燃油的生产。
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Due to the pollution problem of MTBE, and the continuous uprising of international oil price, biologicalfuel ethanol has caused increasing attention of USA public.