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释义
society > occupation and work > equipment > lifting or hoisting equipment > [noun] > tackle > pulley > types of (6)
ram-head1611

A pulley on a windlass. Obsolete. rare.

pentaspast1702

A pulley having five wheels.

differential pulley1833

a pulley having a block with two rigidly connected wheels or sheaves of different diameters, the chain or rope unwinding from one as it winds on to…

jackanapes1844

Mining. A small guide pulley or roller used to keep a rope straight in the raising of ore or water from a mine. Obsolete.

well pulley1855

brake-pulley1873

a pulley (pulley, n.1 1c) that acts as a brake.

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更新时间:2025/2/3 7:56:48