- A simple continuous vault, typically semicircular in cross section. Also called tunnel vault Also called wagon vault 桶形穹顶：简单的连续穹窿，专指横截面为半圆形的穹窿 也作 tunnel vault 也作 wagon vault
| 单词 | barrel vault |
| 释义 | barrel vaultn.（名词）
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英汉双解词典包含166908条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。