发布时间:2025-01-19 02:16:12
1/6-1/4内。为保证梁底方木安装方便,弧形梁模板弧长控制在1.2m1.5m左右为宜。,三铰拱或弧形轻型桁架,至于拱高,可在1/6-1/4内取值,南方防风,北方防雪。
快放假了我想把被子寄回家 我想问下 我是把被子直接抱过去他们给我包装 还是我包装好了
2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12 2025-01-19 02:16:12