First, the distance between the anode and cathode should be increased enough in order to limit the secondary reaction.
提高电流效率的途径有两条：一是增大阴、阳极间距，减小副反应的发生；
This is an adventurous attempt for extending application of anode protection method, which is also the first time to be used on a small pressure vessels in Qingdao Petrochemical Co.
这对阴极保护方法扩大应用范围是一次大胆的尝试，也是青岛石油化工有限责任公司首次将阴极保护方法应用于小型压力容器。
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