Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/379ab48f8185f2eb9e44a9588e3ca63c.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 oligomeric surfactant例句_oligomeric surfactant英汉例句_oligomeric surfactant双解例句_零六五六深蓝词典
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。