| 释义 |
screw jack
screw jackn. See jackscrew.screw jack n (Tools) a lifting device utilizing the mechanical advantage of a screw thread, the effort being applied through a bevel drive. Also called: jackscrew or jack Thesaurus| Noun | 1. |  screw jack - screw-operated jack jackscrewjack - tool for exerting pressure or lifting |
screw jack
screw jack[′skrü ′jak] (mechanical engineering) jackscrew jackscrewA jack in which a screw is used for lifting; carries a plate which bears on the load.jackscrew A jack operated by a screw mechanism. Normally, it is used for raising light aircraft and lighter loads. Also known as a screw jack.MedicalSeejackscrewscrew jack
Related to screw jack: Scissor jackSynonyms for screw jacknoun screw-operated jackSynonymsRelated Words |