cupferronate

例句：

1. 1. The cupferronate material is used in the manufacturing ofmagnetic recording disks.
   这种铁氧体材料用于制造磁记录磁盘。
2. 2. The cupferronate coating helps to protect thesurface from scratches and wear.
   这种铁氧体涂层有助于保护表面免受刮擦和磨损。
3. 3. Cupferronate isa rare earth element that has been foundin various minerals.
   铁氧体是一种稀土元素，已在各种矿物中被发现。