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新的任务三门峡库区的测量队员们,去年完成了第一个战斗任务——三角控制之后,经过三个月的冬训,学习了苏联的大平板仪测量规范,又投入了第二个新的战斗里——4277平方公里万分之一地形图的测
The new mission Sanmenxia Reservoir’s survey team completed the first combat mission last year—triangular control. After three months of winter training, they learned about the Soviet Union’s large flat-panel measurement specifications and put a second new In the battle - the topographic map of 4277 square kilometers