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单词 gin shears
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gin shears
gin shears n. (in form gyn sheers) Military and Nautical Obsolete a portable hoisting apparatus consisting of two poles fastened together at the top, where a rope and pulley are suspended, and held erect in a sloping position by ropes and (usually) a third pole; cf. shear n.1 4.
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1876 G. Will & J. C. Dalton Artillerist's Hand-bk Ref. 273 They [sc. sheers] are used to raise heavy ordnance, weights, &c., and there are three natures, viz., ordinary sheers, lever sheers, and gyn sheers.
1911 Garrison Artillery Training (new ed.) III. xxi. §164. 307 Gyn sheers, that is, sheers in which the cheeks of a gyn are substituted for spars, are frequently used because they are generally at hand, quickly rigged and light.
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更新时间:2025/1/11 20:39:29