step potential difference的意思|示意
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阶跃电位差
step potential difference的网络常见释义
跨步电位差 ...step potential difference；resistance reducing agent；deep well earthing；deviated-well resistance reducing [gap=176]关键词：接地电阻；接地装置；土壤电阻率；接触电位差；跨步电位差；降阻剂；深井接地；斜井降阻技术 ..