材质图层 | Free Download
Hollow-core slab composed of lightweight concrete [355.0]
Hollow-core slab composed of lightweight concrete [355.0] (材质图层 | Free Download)
Hollow-core concrete slab composed of lightweight infill-blocks and lightweight concrete - 35.5 cm (1.5-2-12-(2+16)-2) - SOL02 - UNI/TR 11552