mineralized carbon

• 矿化碳棒

mineralized carbon的用法和样例：

例句

1. The positive electrode is a rod of hard carbon fitted with a brass cap.
   正电极是一个装有黄铜帽的硬碳棒。
2. Sometimes the carbon rods are copper coated to improve electrical conductivity.
   有时这些碳棒包上一层铜，以增加其导电性。