256查询网 英汉词典

arch crown

英 美
  • 拱顶

双语例句

    1. Emission joints of arch and vault shall correspond to direction of radius.
      拱和拱顶的放射缝,应与半径方向相吻合。
    2. A wooden frame built especially to support the sides of an arch until the keystoneis positioned.
      支拱板条专门用来在拱顶石放置好以前支撑拱的两边木架子。

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