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發泡聚氨酯直埋管 - 聚氨酯直埋管
   發泡聚氨酯直埋管廠家產品批發價格低,產品質量好規格型號齊全具有較低的導熱系數和很長的使用壽命,經常用于建筑保溫管線建設,市政工程暖通管道鋪設電廠等,因其直接埋于地下使用使用壽命長達50年之久??梢哉f是一種一次投資幾十年收益的杰出保溫材料。
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