释义 |
Nd-Fe-B permanent-magnets 基本例句 稀土永磁 This paper states the mechanism of mechanically alloying &its application in rare earth permanent magnet materials.简述了机械合金化的机理及其在稀土永磁材料中的应用。 The work principle of a bore trepanning machine for rare-earth permanent magnetic material prestented.阐述了用于稀土永磁材料套孔加工的自动稀土旋孔机的工作原理,介绍了机械系统结构设计及特点。 |