Radial refers to components with pins drawn out in the same section and direction, such as aluminum electrolytic capacitors, and the pins drawn out at the same end are radial components; Axial refers to the components with pins on the same axis at both ends, such as color ring resistance, which belongs to axial components. The above refers to the packaging of components. The so-called machine plug-in refers to the use of machine plug-in, mainly refers to the packaging problem, generally in the pin part with a unified paper tape equidistant connection. I don't know if you understand.