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3 definitions found

From: DICT.TW English-Chinese Dictionary 英漢字典

 jack·screw /ˈʤækˌskru/
 螺旋起重機

From: Webster's Revised Unabridged Dictionary (1913)

 Jack·screw n. A jack in which a screw is used for lifting, or exerting pressure. See Illust. of 2d Jack, n., 5.
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From: WordNet (r) 2.0

 jackscrew
      n : screw-operated jack [syn: screw jack]