The classification of the corrosiveness of gaseous agents on the structural material are depend on agent type, agent density and environmental humity.
气态介质对建筑材料的腐蚀性分级决定于介质类型、浓度及环境湿度。
The classification of the corrosiveness of gaseous agents on the structural material are depend on agent type, agent density and environmental humity.
气态介质对建筑材料的腐蚀性分级决定于介质类型、浓度及环境湿度。
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