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单词 θ212588
释义
society > occupation and work > equipment > lifting or hoisting equipment > [noun] > derrick (2)
derrick1738

A contrivance or machine for hoisting or moving heavy weights. originally. A tackle used at the outer quarter of the mizen-mast. Obsolete.

whipsy-derry1857

A contrivance for hoisting (esp. ore in shallow mines), consisting of a derrick with a ‘whip’ or simple pulley attached, and worked by a horse or…

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更新时间:2025/1/9 9:33:16