jackscrew

n. 螺旋起重机 [医] 螺旋正牙器

词形变化

jackscrews 复数 jackscrews

别名

jack screw

释义与例句

n.
  1. 1.

    A jack (mechanical lifting device) which is operated by turning a leadscrew.

  2. 2.

    A leadscrew; a screw used to translate rotational into linear motion.

词汇关系

名词

同义词 1

screwjack

上位词 1

jack

词源

From jack + screw.

来源：wiktionary