采用密间隔电位测量技术对集气干线系统的阴极保护状况进行测量与分析，评价阴极保护效果。
The cathodic protection effect was evaluated by adopting close interval measuring techniques to measure and analyze the cathodic protection status in gas gathering pipeline system.
采用密间隔电位测量技术对集气干线系统的阴极保护状况进行测量与分析，评价阴极保护效果。
The cathodic protection effect was evaluated by adopting close interval measuring techniques to measure and analyze the cathodic protection status in gas gathering pipeline system.
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