常见例句雙語例句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。 返回 steel retainer