英语词汇jack arch怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	jack arch
释义	jack arch noun a small arch only one brick in thickness, especially as used in numbers to support a floor 单砖拱, 平拱, 等厚拱。
随便看	extendability extendable extended family extended-play extender extendibility extendible extend to extensibility extensible extensile extension extensional extensions extension tube extensive extensively extensiveness extensometer extensor extent extenuate extenuation extenuatory exterior

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