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The oxygen-generating bag is made of PVC plastic film, and the oxygen-generating powder is sodium carbonate peroxide.
产氧袋由聚氯乙烯薄膜制成,产氧剂为过碳酸钠。
youdao
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The oxygen-generating bag is made of PVC plastic film, and the oxygen-generating powder is sodium carbonate peroxide.
产氧袋由聚氯乙烯薄膜制成,产氧剂为过碳酸钠。
youdao