介绍一种用核辐射技术测量管道中物料输送量的方法、教学模型建立、物流整形机构及其工作原理。动态实物试验最大测量误差值小于2％。 A method of measuring the amount of material transported in a pipeline by using nuclear radiation technology, a teaching model establishment, a logistics shaping mechanism and its working principle are introduced. Dynamic physical test maximum measurement error of less than 2%.