As to higher voltage rating polymer cables, electrical tree aging problem is more outstanding.

随着电网电压等级的提高，电缆的电树枝老化问题愈显突出。

youdao

As to higher voltage rating polymer cables, electrical tree aging problem is more outstanding.

随着电网电压等级的提高，电缆的电树枝老化问题愈显突出。

youdao