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单词 θ213950
释义
society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > bars (3)
cross-head1827

The bar at the end of the piston-rod of a steam-engine, which slides between straight guides, and communicates the motion to the connecting-rod, etc.

lever1836

Special applications. Steam-engine. †(a) = beam, n.1 11 (obsolete); (b) a starting-bar.

radius bar1839

= radius rod n.

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