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西安北望建材有限公司 / 集水泥、混凝土、預制構件為一體
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預制疊合板

詳情：疊合樓板是由預制板和現澆鋼筋混凝土層疊合而成的裝配整體式樓板，其預制部分可采用預應力實(shí)心薄板，也可采用鋼筋混凝土空心…

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