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单词 jack-screw
释义 ˈjack-ˌscrew
A lifting-jack with a screw; = Jack n.1 10.
1769Falconer Dict. Marine (1789), Verin, an instrument nearly similar to a jack-screw.1840R. H. Dana Bef. Mast xxix. 99 The jack-screws which are used in stowing cotton.
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更新时间:2024/12/22 14:41:50