ＰＶＤ　ＣｒＮ改进工具的寿命和性能１５年前开发出ＣＶＤ（化学气相淀积）后，ＣＶＤ和继之研制的ＰＶＤ（物理气相淀积）成为改进刀具和模具性能及寿命的两个重要的技术手段．但......

In cutting tool temperature experiment, a large number of related data could be available. In order to define the relati......