blister copper

例句：

1. 1. The blister copper was used to protect the surface of the metal from corrosion.
   起泡铜用于保护金属表面免受腐蚀。
2. 2. The blister copper was found to have excellent electrical conductivity.
   研究发现，起泡铜具有极好的导电性。
3. 3. The blister copper was used in the manufacturing of electrical equipment.
   起泡铜被用于制造电气设备。