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By rationally selecting concrete components and optimizing concrete mix proportion, high quality self - compact concrete was produced.
通过对混凝土原材料的优选和配合比的优化, 配制出了高品质的自密实混凝土.
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Traditional concrete mix form have the setting type and forcing type by oneself.
传统的混凝土搅拌形式有自落式和强制式.
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