我想用h型钢12米的跨度中间不放柱子在压上楼板可以吗上面还要生产噢
2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23 2025-01-19 18:44:23