资料来源 : pyDict

劈痕,截口,切口

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Kerf \Kerf\, n. [AS. cyrf a cutting off, fr. ceorfan to cut,
   carve. See {Carve}.]
   A notch, channel, or slit made in any material by cutting or
   sawing.