混凝土的耐久性与侵蚀性介质在混凝土中的传输密切相关。
The concrete durability is closely related to the corrosive medium transfer in the concrete.
用无侵蚀介质代替侵蚀性冷却介质。
Instead of aggressive cooling medium with no erosion medium.
介质充气后氧的极限扩散电流密度增大，对材料的侵蚀性增强。
The aggressiveness ofaerated solution accreted by increasing the limit diffusion current density of oxygen.
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