magnetic blow-out spark gap

例句：

1. 1. The magnetized metal strips attract each other.
   被磁化的金属条相互吸引。
2. 2. The magnetized iron filings are attracted to thenorth pole.
   被磁化的铁屑被吸引到北极。
3. 3. The magnetized coilscan be used to create a powerful magneticfield.
   被磁化的线圈可以用来产生强大的磁场。