copper clad steel conductor

例句：

1. 1. The new power line is made ofcopper-clad steel, which ismore durable and efficient.
   新电线由铜包钢制成，更耐用且高效。
2. 2. Thecopper-clad steel conductor isused in high-voltage electricalsystems to prevent corrosion.
   铜包钢导体用于高压电气系统中，以防止腐蚀。
3. 3.The engineers carefully inspected the copper-clad steel conductor before installingit in the substation.
   工程师们在安装变电站之前仔细检查了铜包钢导体。