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聚氨酯直埋保溫管 - 聚氨酯直埋保溫管

   聚氨酯直埋保溫管廠家產品價格低質量好適用于地下熱力管線保溫隔熱工程!使用時埋入地下不占用地表面積、施工速度快。規格型號齊全便于運輸按質量分為國標、廠標、民用三大類。

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