Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/b280d8d75c79746f371b2df0dde1ca6c.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 sulfite cooking liquor例句_sulfite cooking liquor英汉例句_sulfite cooking liquor双解例句_沉淀汉英词典
Anthraquinone (AQ) has a beneficial effect on the chemi-mechanical pulping of aspen when the cooking is done in neutral sulfite liquor. 本文对蒽醌在中性亚硫酸盐杨木化机浆中的作用做了一些探讨。