powdered ferrite

例句：

1. 1. The engineer used a powdered ferrite to make the circuit board more conductive.
   工程师使用粉末铁氧体使电路板的导电性更强。
2. 2.The powdered ferrite was used in the manufacturing of electronic devices to improve their performance.
   粉末铁氧体被用于制造电子设备中，以提升其性能。
3. 3. The powdered ferrite is commonly used as an additive in paints and coatings to enhance their durability.
   粉末铁氧体常作为添加剂用于油漆和涂料中，以增强其耐用性。