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    2026-02-19
  • “intrados”的英英意思

    “intrados”的英英意思

    单词 intrados 释义 intrados Arch.|ntreds|[a. F. intrados, f. L. intr within + F. dos the back.]The lower or interior curve of an arch; esp. the lower curve of the voussoirs or stones which immediately form the arch. Cf. extrados.1772C. Hutton Bridges iii...

    2026-02-19