• We all know that lead door is not only a kind of can resist impact collision wave or the heavy door, but also stop the harm of radiation on the human body.

    我们知道不仅抵抗各种冲击波重物冲撞门,而且能阻挡射线人体危害

    youdao

  • We all know that lead door is not only a kind of can resist impact collision wave or the heavy door, but also stop the harm of radiation on the human body.

    我们知道不仅抵抗各种冲击波重物冲撞门,而且能阻挡射线人体危害

    youdao

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