Grinding hardening,the technology of hardening steel piece surface with grinding heat instead of induction hardening heat,can integrate grinding and surface hardening.是什么意思_Grinding hardening,the technology of hardening steel piece surface with grinding heat instead of induction hardening heat,can integrate grinding and surface hardening.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句