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关注:1
2013-05-23 12:21
求翻译:Although, there were numerous studies carried out on the influence of fiber addition in concrete mixture on mechanical and durability properties of concrete limited research work has been carried out concerning the influence of fiber addition in concrete with pozzolans是什么意思?![]() ![]() Although, there were numerous studies carried out on the influence of fiber addition in concrete mixture on mechanical and durability properties of concrete limited research work has been carried out concerning the influence of fiber addition in concrete with pozzolans
问题补充: |
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