• Air polluted by the powder dust, paint mist and volatile solvent in the coating process will harm to health of people who breathe with the air.

    人体呼吸空气涂装过程粉尘挥发性溶剂污染直接危及人体健康

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  • Experiments were done about extinguishing class K fire by water mist, CO2, ABC powder and the result was compared.

    水雾CO2ABC干粉灭火剂k进行了试验研究比较分析。

    youdao

  • Experiments were done about extinguishing class K fire by water mist, CO2, ABC powder and the result was compared.

    水雾CO2ABC干粉灭火剂k进行了试验研究比较分析。

    youdao

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