The rail heat treatment methods, cooling patterns and their merits and demerits are outlined.A survey of some works using residual heat quenching process is introduced.是什么意思_The rail heat treatment methods, cooling patterns and their merits and demerits are outlined.A survey of some works using residual heat quenching process is introduced.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句