英语词汇“shear-legs”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典-新都网

单词	shear-legs
释义	shear-legs [shear n.¹] A device consisting of three poles of wood or iron bolted together at their upper ends and extended below, carrying tackle for raising heavy weights for machinery; cf. shear n.¹ 4. 1860Engl. & For. Mining Gloss., Newcastle Terms (ed. 2) 62 Shear-legs.1875J. H. Collins Metal Mining 49 The boring tools are sometimes worked simply by a rope passed over a shearlegs or triangle.1900Engineering Mag. XIX. 675 At the Chicago yard there is a steel sheer-legs 100 feet high and of 100 tons capacity.
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