Warning: file_put_contents(/www/wwwroot/ppbbu/www.30232.com/cache/ba643179a74bd429cc7bf6c23f15eb84.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/www.30232.com/index.php on line 55 sulphone例句_sulphone英汉例句_sulphone双解例句_绍翊字体网有道词典
The properties manufacture technology of polysulfide sulphone and polysulfide ketone were descussed,the applications about it are described. 综述了聚硫醚砜,聚硫醚酮的性能,制造工艺,介绍了应用领域。