| 南方和北方对比，南方空气湿润，所以不管是雪、雨都会在冷空气的作用下迅速结冰，所以电线上就会有很厚的冰层。电线在冰层的压迫下产生张力，导致电线杆、塔倒塌。北方由于气候干燥，一般都是积雪，而不会结冰。 (Blues Mansion post translation, courtesy of bablefish) South and north contrasts, south the air is moist, therefore no matter is the snow, the rain can rapidly ice up in under the cold air function, therefore in the electric wire can have the very thick ice layer. The electric wire has the tensity under the ice layer oppression, causes the telephone pole, the tower to collapse. North because the climate is dry, generally all is the snow, but cannot ice up. |
Why Snow Caused Power Failure