Rare-earth permanent-magnet

• 稀土永磁

Rare-earth permanent-magnet的用法和样例：

例句

1. 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。
2. 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。