shielded magneto

例句：

1. 1.The shielded magneto is used to protect against electromagnetic interference.
   屏蔽磁铁用于防止电磁干扰。
2. 2. The shielded magneto was the key to solving the problem.
   屏蔽磁铁是解决问题的关键。
3. 3. The shielded magneto was used in the manufacturing process to ensure quality control.
   屏蔽磁铁在生产过程中被使用，以确保质量控制。