Jackscrew

[dʒækskru:]

解釋/意思:

(noun.) screw-operated jack.

編輯:厄休拉--From WordNet

解釋/意思:

(n.) A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5.

編輯:鲁弗斯