发布时间:2025-01-22 19:03:33
变形缝一般设置在软硬岩变化处,明暗分界处及抗震设防段(30m一道);一般无抗震设防的只在隧道两端即明洞、暗洞交界处设置变形缝
Great Wall 长城 WESCOM G27 27英寸 IPS显示器(2K、144Hz、FreeSync)-适用对象
2025-01-22 19:03:33 2025-01-22 19:03:33 2025-01-22 19:03:33 2025-01-22 19:03:33 2025-01-22 19:03:33 2025-01-22 19:03:33 2025-01-22 19:03:33 2025-01-22 19:03:33 2025-01-22 19:03:33 2025-01-22 19:03:33