For Group B, the vitalight lamp radiation and steaming of methanal plus PP were used in combined air sterilization.

紫外线灯照射与甲醛加PP熏蒸联合空气消毒为B组。

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For Group B, the vitalight lamp radiation and steaming of methanal plus PP were used in combined air sterilization.

紫外线灯照射与甲醛加PP熏蒸联合空气消毒为B组。

youdao