All moving components should use hardened steel: all slides should be installed with hardend or lubricated alloy wear plates and gibs, and with positive slide retainer.是什么意思_All moving components should use hardened steel: all slides should be installed with hardend or lubricated alloy wear plates and gibs, and with positive slide retainer.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句