关于埋地防腐层管道直流电位梯度(DCVG)测量与%IR计算的讨论
刘国

Discussion on DC Voltage Gradient (DCVG) Measurement and %IR Calculation of Buried Coating Pipeline
LIU Guo
图2 土壤路径上的电压降SOLSCD的示意图
Fig.2 Schematic diagram of voltage drops SOL and SCD along soil