求翻译：寒冷地区混凝土结构所处环境十分恶劣，破坏因素复杂多样，混凝土结构在承受冻融循环作用的同时还会遭受二氧化碳等物质的侵蚀，较之一般大气环境，冻融环境中混凝土结构的耐久性损伤机理更为复杂。是什么意思？

Cold region concrete structure in which the environment is very harsh, complex and diverse factors influencing the destruction of concrete structures to withstand the role of freeze-thaw cycle will be subject to the erosion of carbon dioxide and other substances than the general atmospheric environm

In cold areas, the concrete structure environment, 10, and destabilizing factor complex and diverse, concrete structures exposed in the freeze-thaw cycles are also subjected to 2 substances such as carbon dioxide, the erosion of a general atmosphere in the environment, and freeze-thaw durability of

The cold area concrete structure locates the environment to be extremely bad, destruction factor complex diverse, the concrete structure also can suffer material and so on carbon dioxide during withstanding thaw-freeze cycle function corrosion, compared with the common atmospheric environment, in th

Very bad structure concrete in cold environment, damage factors of complex and diverse, concrete subjected to freeze-thaw cycles are also subjected to erosion of substances such as carbon dioxide, compared to General atmospheric environment and mechanism of damage of concrete structure durability in

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