arched concrete roof混凝土: concrete; beton; jetereting拱形屋顶: arched roof拱形屋顶: arch roof; arched roof; concave ceiling; vaulted roof混凝土拱: concrete arch混凝土拱坝: arched concrete dam; concrete arch dam下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:混凝土拱形屋顶，即可在微信中查询翻译
