Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/17a768dd4bc1a26374fbe974a1ab43e8.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 Mpan例句_Mpan英汉例句_Mpan双解例句_零六五六深蓝词典
Some properties of the meltable PAN (MPAN) resin is studied , such as chemical composition , molecular weight , the contents of AN unit and the reologic property. 研究了自制的可熔融聚丙烯腈(MPAN)树脂的可熔融性及其熔体的流变性能。