;
;Improvements on the process of light benzol forerunning are described in this paper, Practice shows that these improvements are successful.
介绍轻苯初馏工艺
改进。实践证明，这些改进是成功。
苯Improvements on the process of light benzol forerunning are described in this paper, Practice shows that these improvements are successful.
介绍轻苯初馏工艺改进。实践证明，这些改进是成功。
声明：以上例句、词性分类均由互联网资源自动
成，部分未经过人工审核，其表达内容亦不代表本软件
观点；若发现问题，欢迎向我们指正。
