今年三月初，测一队三组接受了平谷县许家务大队地形图测绘任务。许家务大队是北京市“农业学大寨”的先进单位，几年来，广大贫下中农坚持党的基本路线，发扬自力更生，艰苦奋斗的革命精神，大力开展平整土地，移土造田的群众运动，推动了生产飞 In early March of this year, a team of three teams accepted the task of surveying and mapping the topographic maps of Xu Family Brigade in Pinggu County. In recent years, the majority of poor middle peasants and poor peasants uphold the party’s basic line, carry forward the revolutionary spirit of self-reliance and hard work, vigorously carry out the mass movement of leveling the land and relocating the land and building the fields, and promote Production fly