Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/0849c66de95c2a28b6f9990330fcf081.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 Ifang例句_Ifang英汉例句_Ifang双解例句_绍翊字体网有道词典
Zhang L ifang, Xiao Hong, W ei Dezhou. Effect of surfactants on biodegradation of petroleum2contam inated soil[ J ]. 张丽芳;肖红;魏德洲.;表面活性剂对土壤石油污染物微生物降解的影响[J]