特高压输电线路是指±800千伏及以上的直流电和1000千伏及以上交流电的电压等级输送电能。特高压输电是在超高压输电的基础上发展的，其目的仍是继续提高输电能力，实现大功率的中、远距离输电，以及实现远距离的电力系统互联，建成联合电力系统。
钢管塔在我国特高压输电线路中得到广泛应用。
Transmission steel tubular towers have been widely applied to superhigh voltage transmission lines in China.
交流特高压输电线路是我国未来统一电网的骨架。
Ultra-high voltage transmission line will be the main frame of power network in China.
特高压输电线路对调幅广播台站的无源干扰主要是由垂直杆塔引起的。
The passive interference in receiving station of amplitude modulation (AM) broadcasting from UHVAC transmission lines is mainly caused by towers.
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