barrel vault
短语n. 桶形穹窿
词形变化
barrel vaults
复数
barrel vaults
释义与例句
n.
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1.
A building profile featuring a rounded profile to the roof on the short axis, but with no angle change on a cut along the long axis.
商务 建筑 工程 -
2.
A simple roof having a curved, often semicircular cross section; used to span large distances in railway stations, churches, etc. Usually supported on columns.
建筑