Long span transmission line system is the lifeline project as the electric powe's carrier.

大跨越输电塔线体系作为高压电能输送的载体，是重要的生命线工程。

youdao

Long span transmission line system is the lifeline project as the electric powe's carrier.

大跨越输电塔线体系作为高压电能输送的载体，是重要的生命线工程。

youdao