“petroleum hydrocarbons”的概念、定义、翻译、参考文献-科学参考

单词	petroleum hydrocarbons
释义	petroleum hydrocarbons Encyclopedia 工学废水水质指标释 petroleum hydrocarbons废水中石油类在pH小于等于2的条件下，废水中能够被四氯乙烯萃取且在波数2930厘米-1、2960厘米-1、3030厘米-1处有特征吸收的物质。
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