| 单词 | petroleum processing | 
| 释义 | petroleum processing [pǝ`trō·lē·ǝm `prä´ses·iŋ]  CHEMICAL ENGINEERING The recovery and processing of various usable fractions from the complex crude oils; usable fractions include gasoline, kerosine, diesel oil, fuel oil, and asphalt. Also known as petroleum refining.  | 
	
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