Warning: file_put_contents(/www/wwwroot/ppbbu/62383.com/cache/d42b04e6bde586eb3708ff8e98ee7421.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/62383.com/index.php on line 55 sulfite cooking liquor例句_sulfite cooking liquor英汉例句_sulfite cooking liquor双解例句_流逝汉英词典
Anthraquinone (AQ) has a beneficial effect on the chemi-mechanical pulping of aspen when the cooking is done in neutral sulfite liquor. 本文對蒽醌在中性亞硫酸鹽楊木化機漿中的作用做了一些探討。