arch crown
短语词组
- advance arch -crown strengthening 拱顶超前加固
- cracks of arch -crown 顶拱裂缝
- underground powerhouse arch -crown 地下厂房顶拱
- arch crown block 拱顶石
- arch crown concrete 拱顶混凝土
- arch crown cantilever method 拱冠梁法
- arch crown beam profile 拱冠梁剖面
- Arch crown subsidence 拱顶下沉
- cracks of arch crown 顶拱裂缝
- arch crown settlement 拱顶沉降 返回 arch crown