发布时间:2025-01-31 00:21:57
踢脚线上口用玻璃胶处理即可,事先把踢脚线上口擦干净。
要建造跨度7米的钢筋混凝土架空梁柱截面为50cmx50cm承受一层楼板厚12cm14cm沙砖楼面墙求梁的配筋
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