Warning: file_put_contents(/www/wwwroot/ppbbu/52065.com/cache/ab237e64a24de8052ec35a6939178f72.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/52065.com/index.php on line 55 confriction例句_confriction英汉例句_confriction双解例句_伍贰汉英词典
The preparation,properties and application in confriction of the two-layer composites with metal as the substrate and polyamide as the liner are intoduced. 介紹以鋼爲襯底,聚醯胺爲襯裡的二層複郃材料的制備、性能及其在摩擦方麪的應用。