• 绝缘层一般天然橡胶铜丝无氧这样才能保证线芯良好导电性电缆安全性

    The insulating layer is pure natural rubber, copper wire for copper, so, in order to ensure the safety of wire and cable of good conductivity.

    youdao

  • 绝缘层一般天然橡胶铜丝无氧这样才能保证线芯良好导电性电缆安全性

    The insulating layer is pure natural rubber, copper wire for copper, so, in order to ensure the safety of wire and cable of good conductivity.

    youdao

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