Warning: file_put_contents(/www/wwwroot/ppbbu/cp667.com/cache/090e16d236914b153544f7859b7d9a2e.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/cp667.com/index.php on line 55 wet-end chemicals例句_wet-end chemicals英汉例句_wet-end chemicals双解例句_淳朴汉英词典
This paper describes the fundamentals of the wet-end chemistry and the development of wet chemicals used in the paper-making. 該文系統地論述了溼部化學的基本原理和溼部化學品的發展狀況。