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4 DCVG数据的绘制以及%IR的计算

Fig.4 Presentation of DCVG data and %IR calculation