基本解释[土木建築工程]筒形穹頂英汉例句雙語例句Its roof structure adopts double-layered steel grids structure of barrel vault.該館屋蓋採用雙層筒形鋼網殼結搆，屋麪爲彩色夾芯板和侷部採光玻璃。barrel vault roof更多例句词组短语短語barrel -vault roof 筒形穹頂barrel vault roof更多词组专业释义土木建築工程筒形穹頂