polyspast

滑车组, 复滑车

词形变化

polyspasts 复数 polyspasts

释义与例句

n.
  1. 1.

    A machine consisting of many pulleys

  2. 2.

    A machine of many pulleys, formerly used to reduce dislocation

  3. 3.

    A windlass with many pulleys and truckles

    工程

词源

From Latin polyspaston (“hoisting-tackle with many pulleys”), from Ancient Greek πολύσπαστον (polúspaston, “compound pulley”).

来源：wiktionary