riffler

n. 曲锉(用来雕模)

词形变化

rifflers 复数 rifflers

释义与例句

n.
  1. 1.

    A mechanical device consisting of a metal box with a series of vertical slats through which material is poured and randomly divided into two samples; this process is repeated to obtain a small representative sample of a bulk material.

  2. 2.

    A curved file used in carving wood and marble.

词源

From riffle + -er.

来源：wiktionary