Mn-Bi permanent magnet

例句：

1. 1. TheMn-Bi permanent magnet is akey component in the manufacturing process.
   锰-铋永久磁铁是制造过程中的关键组件。
2. 2. TheMn-Bi permanent magnet has beenwidely used in various industries due to itshigh magnetic strength.
   由于其高磁性强度，锰-铋永久磁铁已被广泛应用于各种行业。
3. 3. The Mn-Bi permanent magnetis an ideal choice for applications requiring highenergy density and low power consumption.
   锰-铋永久磁铁是高能量密度和低功耗应用的理想选择。