Deterioration and aging of paint coatings were increased with the increase in acidity of the simulated acid dew as shown in the following sequence: pH3.0>pH4.5>pH5.6.是什么意思_Deterioration and aging of paint coatings were increased with the increase in acidity of the simulated acid dew as shown in the following sequence: pH3.0>pH4.5>pH5.6.在线翻译_英语_读音_用法_例句