通过在重庆城区、郊区的钢材大气曝露试验得到了不同品种钢材的大气腐蚀率。
By the test of steel material exposed to the atmosphere in urban and suburban areas of Chongqing, the corrosion rates of different species of steel were got.
涂层金属耐腐蚀性的电化学测定方法简便，快速，比盐雾试验和大气曝露等常规方法提供较多信息。
The electrochemical determination of corrosion resistance of coated metals is more easy and simple compared to the salt fog test and atmosphere exposure and may provide more information.
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