坐落于塞北乌兰察布盟集宁市西南郊区的 110千伏桥西变电站里有 7名已做妈妈的女运行工，她们情同姐妹，在工作中互相扶持、协作，用成熟女人特有的魅力书写出一曲爱岗敬业的赞歌。 　　北国的冬天非常寒冷，变电站又地处郊区，她们每次上班路上都需用 1个多小时，可她们胸怀 Located in the 110 kV Qiaoxi substation on the southwestern outskirts of Jining City, Ulan Qab, Saibei, there are 7 female workers who have become mothers. They love sisters and support each other in their work. They are unique to mature women. Charm writes a song of love and respect. The winter in the Northland is very cold and the substations are located in the suburbs. They need to spend more than one hour each time they go to work.