Warning: file_put_contents(/www/wwwroot/zidian/biehu.cn/cache/53c6898b42d7f6f5c210f567c31311ae.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/biehu.cn/index.php on line 58 outer bearing cover例句_outer bearing cover英汉例句_outer bearing cover双解例句_甲百匯小鸡词典
Remove the outer cover of the bearing to see the lubricating oil is normal or not, if the color is not in normal condition, the lubricating oil has to be replaced. 拆下軸承外蓋，檢查潤滑油是否清潔，如發現色澤不勻，即需更換潤滑油。