Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/1c048f508ff1ec909e160ae3b43cabb6.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 oligomeric surfactant例句_oligomeric surfactant英汉例句_oligomeric surfactant双解例句_沉淀汉英词典
This thesis consists of five parts. In the first section, the importance and the progress of studies on oligomeric surfactant are summarized. 论文主要包括五部分内容:论文的第一部分概述了低聚表面活性剂研究的意义,并综述了低聚表面活性剂的研究进展。