The potential distribution of cathodic protection was calculated by using the finite difference method, the result shows that the theoretical value and the measured value are in good agreement.
采用有限差分技术对大口径输水管道管内阴极保护电位分布进行计算，理论值与实测值符合得较好。
The potential distribution of cathodic protection was calculated by using the finite difference method, the result shows that the theoretical value and the measured value are in good agreement.
采用有限差分技术对大口径输水管道管内阴极保护电位分布进行计算，理论值与实测值符合得较好。
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