• The oxygen-generating bag is made of PVC plastic film, and the oxygen-generating powder is sodium carbonate peroxide.

    聚氯乙烯薄膜制成,产氧剂为过碳酸钠

    youdao

  • The oxygen-generating bag is made of PVC plastic film, and the oxygen-generating powder is sodium carbonate peroxide.

    聚氯乙烯薄膜制成,产氧剂为过碳酸钠

    youdao

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