准椭圆形覆冰
quasi-oval shape iced conductor
线路覆冰
transmission lines icing
line icing
transmission line icing
power line ice coating
transmission lines’ regelation
ice accretion
覆冰分布
distribution of icing-coating
覆冰密度
icing density
density of the covered ice
density of ice
覆冰预警
icing alarming
ice monitoring and forecasting
导线覆冰
conductor icing
wire icing
line ice
conductor ice coating
Transmission line ice cover
Conductor ice coverage
Ice on Line
line regelation harm
覆冰事故
ice covering fault
ice coating accident
ice-coating caused failure
覆冰预报
prediction of ice coating