ductor

n. 油墨辊

发音

/ˈdʌktə(ɹ)/

词形变化

ductors 复数 ductors

释义与例句

n.
  1. 1.

    One who leads.

    废旧
  2. 2.

    A device, usually in the form of an oscillating roller, for transferring ink from a source to the ink train rollers in a controlled manner.

    媒体 印刷

    1883, Andrew Overend, "Inking apparatus for printing-machines", US patent US363760, filed 9 November 1883, issued 24 May 1887. The combination, with a fountain-roller and an ink-cylinder, of a ductor movable between said roller and cylinder for delivering ink from one to the other...

词源

From Latin ductor, agent noun of duco (“to lead”).

来源：wiktionary