It was found that the sprayed polyurea elastomer could be used to efficiently prevent the steel gate from corrosion, and the technology could have enormous long-term economic benefit.
结果表明，喷涂聚脲弹性体可有效地防止挡潮闸钢闸门的腐蚀，具有较长期的经济效益。
In order to prevent metal from corrosion, a kind of novel potentiostat is designed, which realizes technology of cathodic protection to the metal.
为了防止金属腐蚀，研制新型恒电位仪来实现对金属外加电流的阴极保护。
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