Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/7a69ff8ac3da49c5bd01be10eb6e0e37.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 vulcanite例句_vulcanite英汉例句_vulcanite双解例句_食材铺反向词典
Three kinds of methods used now by China for vulcanite wear test were introduced briefly, and their merits and defects were also compared. 简要介绍目前国内采用的硫化橡胶3种磨耗试验方法,并将其优劣加以对比。