The metallographic texture and hardness gradient were analysed after nitriding.Salty fog test was carried out on the nitried metal parts and the anticorrosion ability was investigated.是什么意思_The metallographic texture and hardness gradient were analysed after nitriding.Salty fog test was carried out on the nitried metal parts and the anticorrosion ability was investigated.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句