Severe corrosion, leading to pitting, is often caused by concentrationcells, particularly where differences in dissolved-oxygen concentration occur.
特别在溶解氧浓度有差别的场合，浓差电池常引起严重腐蚀、导致孔蚀。
2
They allow a certain amount of salt to enter their cells, bringing the salt content of the water within the plant, to a slightly higher concentration than that of the surrounding seawater.