铁电—铁电相变
ferro-ferroelectric transition
高压配电线路铁塔
HV distribution line tower
论配电线路线损
Discussion about Distribution Line Losses
配电线路电力损失
the lose of electric in disrbution line
输电线路电流约束
transmission current constraint
输电线路铁塔抗冰设计
Ice-Resistant Design of Transmission Line Towers