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.
| 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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