这是一张油田用的流量表的电原理图，希望对那些想了解这类产品的同仁有所帮助。-This is a flow rate of oil field with electric principle diagram, hope for those who want to understand this kind of product colleagues help.

基于visual studio实现对空间电场分布和扫描等位线的仿真(Simulation of spatial electric field distribution and scanning equipotential line based on Visual Studio)