埋入大地的金属导体（镀锌角钢/铜包钢/接地模块），与土壤电阻率共同决定接地电阻。
Buried conductor (galvanized steel, copper-bonded rod or module) whose resistance is set by electrode design and soil resistivity.
AI 光伏设计平台免费开放：从术语到完整设计图纸与可研报告。