Study on the Influence of Three Current Forms on the Cathodic Protection Effect of Pipeline Intelligent Test Piles. - Liu, Man; Dong, Han; Lv, Naixin; An, Weijie; Huang, Jufeng; Gao, Yun; Sun, Yinjuan; Xi, Yuntao; Wang, Lei (Coatings (2079-6412), 2026)