| 单词 | radius bar | 
| 释义 | > as lemmasradius bar   radius bar  n. = radius rod n. ΘΚΠ society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > 			[noun]		 > parts of > bars cross-head1827 lever1836 radius bar1839 1839    R. S. Robinson Naut. Steam Engine Explained 75  				To these levers are also secured the radius bars, which are rods of wrought-iron, proceeding from the side rods. 1853    J. Glynn Treat. Power Water 140  				The radius bar carries a pen, the nib of which is in the line of the radius. 1980    R. D. Bent  & J. L. McKinley Aircraft Maintenance & Repair 		(ed. 4)	 viii. 224/1  				When it is desired to make a bend having a given radius, a radius bar having the correct radius for the bend is secured to the clamping bar. < as lemmas | 
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