Warning: file_put_contents(/www/wwwroot/ppbbu/80125.cn/cache/b9a15fd8adf953b1a03d98696da5f4fa.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 bearing grease是什么意思，bearing grease的翻译，bearing grease音标、读音、用法和例句_食材鋪反向词典
Self-repair of micron copper powder in greases was investigated by way of friction test and service life of bearing test. 通過四球試騐，考察了微米銅粉在潤滑脂中的摩擦學行爲和抗磨性。