Engineering. Each of the two principal members, usually horizontal, of a truss (see also quot. 1940).
| 单词 | θ209632 | 
| 释义 | society > occupation and work > industry > building or constructing > building or providing with specific parts > specific parts built or constructed > 			[noun]		 > framework > specific part of (3)		 chorda1877 Engineering. Each of the two principal members, usually horizontal, of a truss (see also quot. 1940). stretcher-bar1883 (a) the bar which is set across a level as a support for a rock-drill; (b) Leather Manufacturing an appliance for stretching hides transversely; (c)… redundant1953 Engineering. A redundant component of a framework (see sense A. 4a). | 
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