drawbore

钻[笋]销孔

词形变化

drawbores 复数 drawbores drawbored drawbores 三单 drawboring drawboring 现在分词 drawbored 过去式 drawbored 过去分词

释义与例句

n.
  1. 1.

    A hole bored through a tenon nearer to the shoulder than the holes through the cheeks are to the edge or abutment against which the shoulder is to rest, so that a pin or bolt, when driven into it, will draw these parts together.

    a drawbore pin

v.
  1. 1.

    To make a drawbore in.

    及物

    to drawbore a tenon

  2. 2.

    To enlarge the bore of a gun barrel by drawing, instead of thrusting, a revolving tool through it.

    及物

词源

From draw + bore.

来源：wiktionary