environment appearance of the place, the bluntness turn reinforcing bar to attain the purpose of antisepsis.Cathode protection method, chlorine salt's withdrawing a method, alkalescence to recover a method isa chemistry protection method in three kinds of mon use but valid method.The advantage of this kind of method isa protection method under the influence of environment factor smaller, apply reinforcing bar, concrete of long-term antisepsis, since can used for crack structure already can also used for new set up structure. 5, imitate to living from legal more Imitate to living from heal the method bea kind of new crack treatment, its mimicry living anization secrete a certain material towards suffering wound part auto, but make the wound part heal of function, join some and position(such
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