arch crown
短語詞組
- advance arch -crown strengthening 拱頂超前加固
- cracks of arch -crown 頂拱裂縫
- underground powerhouse arch -crown 地下廠房頂拱
- arch crown block 拱頂石
- arch crown concrete 拱頂混凝土
- arch crown cantilever method 拱冠梁法
- arch crown beam profile 拱冠梁剖麪
- Arch crown subsidence 拱頂下沉
- cracks of arch crown 頂拱裂縫
- arch crown settlement 拱頂沉降 返回 arch crown