The microstructures of the carburized layer consist of fine martensite with a small amount of retained austenite in surface layer and lath martensite with acicular bainite in ransition l...是什么意思_The microstructures of the carburized layer consist of fine martensite with a small amount of retained austenite in surface layer and lath martensite with acicular bainite in ransition l...在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句