材质图层 | Free Download
Hollow-core concrete slab, ordinary concrete [415.0]
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Hollow-core concrete slab, ordinary concrete [415.0] (材质图层 | Free Download)
Hollow-core concrete slab composed of lightweight infill-blocks and ordinary concrete - 41.5 cm (1.5-2-6-(2+4+24)-2) - SOL05 - UNI/TR 11552
