herringbone gear

短语

[机] 人字齿轮

词形变化

herringbone gears 复数 herringbone gears

释义与例句

n.
  1. 1.

    A type of gear wheel comprising two integral halves shaped like two bevel gears next to each other, with their tooth angles pointing to the centerline.

词源

From the fancied resemblance of the two matching bevels to the skeleton of a herring.

来源：wiktionary