parabolic arch
短語(yǔ)詞組
- parabolic multi arch 拋物線連拱
- parabolic c arch 拋物線拱
- parabolic arch structure 拋物線拱型結(jié)構(gòu)
- parabolic arch dam 拋物線拱壩
- two hinged parabolic arch 拋物線兩鉸拱
- minimum parabolic arch 極小拋物線弓形
- parabolic double -curved arch dam 拋物線雙曲拱壩 返回 parabolic arch