remagnetizing

例句：

1. 1. The steelplates were remagnetized to improvetheir strength.
   这些钢板被重新磁化以提高其强度。
2. 2. The magnetizer was usedto remagnetize the iron ore.
   磁铁被用来重新磁化铁矿石。
3. 3.The process of remagnetizing involvesheating the material and then cooling it quickly.
   重新磁化的过程包括加热材料然后迅速冷却它。