基本解释n.淬火硬化(急冷硬化)同根派生 英汉例句Abstract： Tool material and coating technology which are adapted for quenchhardening stell milling are introduced. 摘 要： 介绍适合于淬硬钢铣削加工的刀具材料与刀具涂层技术。highly confidential 高度机密