请问桥梁里面的t型梁各个部分叫什么名字翼板三角承托腹板下三角马蹄是里面的那个位置
2025-01-31 05:00:27 2025-01-31 05:00:27 2025-01-31 05:00:27 2025-01-31 05:00:27 2025-01-31 05:00:27 2025-01-31 05:00:27 2025-01-31 05:00:27 2025-01-31 05:00:27 2025-01-31 05:00:27 2025-01-31 05:00:27 2025-01-31 05:00:27 2025-01-31 05:00:27