• Ultraviolet lamps are a type of low pressure mercury vapor discharge lamps, which belong to special type fluorescent lamps and are widely applied in sewage disposal and water purification.

    紫外线消毒一种低压蒸汽放电灯广泛应用污水处理净化中。

    youdao

  • Ultraviolet lamps are a type of low pressure mercury vapor discharge lamps, which belong to special type fluorescent lamps and are widely applied in sewage disposal and water purification.

    紫外线消毒一种低压蒸汽放电灯广泛应用污水处理净化中。

    youdao

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