Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/b7133af3b46aeb0ffdb8ccd47bb8b710.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 steel retainer例句_steel retainer英汉例句_steel retainer双解例句_贰靶汉英词典
All moving components should use hardened steel: all slides should be installed with hardened or lubricated alloy wear plates and gibs, and with positive slide retainer. 所有移动的零件应使用硬钢料，行位必须用硬垫板和硬线条，而且必须有限位及定位锁。