Observation well plan and section dwg file, dimension detail, naming detail, concrete mortar detail, hatching detail, etc.
Concrete slab constructive
Wall section view of house
Foundation plan and sectio
Footing
Bridge 3D view
Stair plan and section det
Cut ceiling construction d
Water reservoir tank archi
Steel structure elevation
Parallel side-vent ,window
Foundation plan section de
Frame view with wall for d