Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/a576b85e3e09d05e4f7ab8a70cbf5b15.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 wet-end chemicals例句_wet-end chemicals英汉例句_wet-end chemicals双解例句_衣物护欧路词典
This paper describes the fundamentals of the wet-end chemistry and the development of wet chemicals used in the paper-making. 该文系统地论述了湿部化学的基本原理和湿部化学品的发展状况。