https://www.autodesk.com/autodesk-university/class/AutoCAD-Civil-3D-Pressure-Networks-Building-and-Using-Your-Custom-Parts-Catalog-2014
AutoCAD Civil 3D Pressure Networks: Building and Using Your Custom Parts Catalog | Autodesk...
AutoCAD Civil 3D software's Pressure Networks is great out of the box if you use mechanical or push-on fittings, but what if you use welded or other fittings?...
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