电化学脱盐法对于修复氯盐侵蚀的钢筋混凝土结构是经济、高效的。
The method of electrochemical removal of salt is efficient and economical to rehabilitate RC structures attacked by chloride.
海水脱盐法不可避免地遗留下浓缩的盐水，它会破坏环境，甚至影响淡水供应。
Desalination inevitably leaves behind a concentrated brine, which can harm the environment and even the water supply itself.
这种冒险的代价，不管是在人力还是在能源消耗方面，都将是巨大的。然而，许多人认为，冰山牵引最终会证明比选择海水脱盐法花费要少。
Though the cost of the venture would be immense, both in Labour and power, many believe that iceberg towing would prove less costly in the long run than the alternative of desalination of sea water.
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