英语语法分析

Heavy alkyl benzene sulfonates can be used in EOR.

重烷基苯磺酸盐可用于三次采油。

One eor two, in blue suits, might have been bank officials. Others were clearly working men.

有一两个穿蓝色西装的人可能是银行职员，其他的显然都是普通工人。 嫰。

The kinds, methods, applications and development trend of surfactants for EOR were reviewed .

综述了驱油用表面活性剂种类、制备方法、应用和研究趋势。