Magnesium ribbon anodes are installed in radial pattern beneath the tank bottom by directional drilling and then connected electrically with the bottom.
它运用定向顶管施工方法把镁带牺牲阳极呈辐射状水平地直接埋设在罐底下，然后与罐底板连通。
Magnesium ribbon anodes are installed in radial pattern beneath the tank bottom by directional drilling and then connected electrically with the bottom.
它运用定向顶管施工方法把镁带牺牲阳极呈辐射状水平地直接埋设在罐底下，然后与罐底板连通。
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