“arch ring”的概念、定义、翻译、参考文献-科学参考

单词	arch ring
释义	arch ring [`ärch ´riŋ] ^{CIVIL ENGINEERING} A curved member that provides the main support of an arched structure.
随便看	idling jet idling system idocrase Idoteidae IDP id reaction idrialite IDU IDUR i-f i-f amplifier if and only if operation IF canceler IFF IFO IFR IFR terminal minimums IFR weather IF statement if then else if-then operation i-f transformer Ig IGES Igewsky's solution

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