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来源:雅诚德英语网
Although lab study and field test have been conducted for over 20 years in some developed oil-producing countries, its mechanism and industrial application are still focal p...
尽管,工业发达的产油国在室内研究及油田试验已有20余年的历史,但其机理及工业化应用,仍是今后研究的重点。