Definition of Upsiding down edges:Upsiding down edges,as one stamping process, on the plane or surface part of materials,based on using mold, are made to form straight walls or concave edges of some a...
Definition of Upsiding down edges:Upsiding down edges,as one stamping process, on the plane or surface part of materials,based on using mold, are made to form straight walls or concave edges of some a...