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鋼套鋼保溫管

在供熱行業(yè)中，近幾年蒸汽管道需求日益增加，隨著城市建設(shè)的日益規(guī)范化，美化城市已經(jīng)成為發(fā)展的必然，原來的架空敷設(shè)與管溝敷設(shè)方式逐漸被直埋技術(shù)所取代。

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