Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/35aa8ff6284a1f5a1f6d2d216738834f.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 steel retainer例句_steel retainer英汉例句_steel retainer双解例句_94生活常识网有道词典
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. 所有移動的零件應使用硬鋼料，行位必須用硬墊板和硬線條，而且必須有限位及定位鎖。