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                新建钢烟△囱

                发布时间:2021/6/6 8:55:16

                新建钢烟『囱,主要程序,钢材选购,钢板卷板制作,附属件@ 制作,烟囱安装,附属件安装等过程。一般╲按照国标图集制作,也可自行设计。钢烟囱有自立式、塔架式、套筒式等。

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