Frue vanner

短语

词形变化

Frue vanners 复数 Frue vanners

释义与例句

n.
  1. 1.

    A kind of conveyor belt on which ore is concentrated by a current of water; a kind of buddle.

    商务 采矿

词源

From its inventor W. B. Frue, Superintendent of the Silver Islet Mine, Ontario, Canada.

来源：wiktionary