Warning: file_put_contents(): Only 0 of 4976 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/69228.com/index.php on line 55 97超碰精品成人国产,亚洲日韩成人无码,在线A片永久免费看不卡国产
The result of FTIR showed the addition of MAPP could esterify the wood flour and make the compatibility between PP and flours better. 紅外譜圖研究表明,偶聯(lián)劑的加入可以把木纖維中的羥基酯化,改善木塑界面之間的相容性。