• The invention provides a high barrier material which is mainly used for antioxidant tubular material of cold and heat water, heating and air conditioning system in the building field.

    发明提供一种主要用于建筑领域热水采暖空调系统管材阻隔性材料

    youdao

  • The invention provides a high barrier material which is mainly used for antioxidant tubular material of cold and heat water, heating and air conditioning system in the building field.

    发明提供一种主要用于建筑领域热水采暖空调系统管材阻隔性材料

    youdao

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