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  1. Oxford Dictionary

    case-hardened

    • adj.
      (of a material) having a hard surface；(of iron or steel) having been given a hard surface by being carburized
    • 釋義
    • 相關詞

    形容詞

    • 1. (of a material) having a hard surface case-hardened sandstones
    • ▪ (of iron or steel) having been given a hard surface by being carburized a case-hardened steel anvil
    • ▪ made callous or tough by experience a case-hardened politician

    case-harden

    • v.
      harden the surface of (a material): the blades are case-hardened with reinforced backing plates

    Oxford American Dictionary

    case-harden

    • v.
      harden the surface of (a material): the blades are case-hardened with reinforced backing plates

    Oxford Dictionary

    • 更多解釋

    case-hardened

    • adj.
      (of a material) having a hard surface: case-hardened sandstones

    Oxford American Dictionary