| met. | flake of graphite | 片状石墨 (① In grey cast iron most of the carbon is present as flakes of graphite, and there is usually a remainder which is in the form of pearlite; the fracture of this type is grey. 在灰铸铁中，大部分碳以片状石墨的形式存在，其余的碳通常以珠光体的形式存在，这种类型铸铁的断口呈灰色。② In the ordinary grey cast iron the flakes of graphite are apparent 在普通灰铸铁中，片状石墨清晰可见。) |