Either of the component parts of a joint or fastening secured by screwing. Now rare.
| 单词 | θ213115 | 
| 释义 | society > occupation and work > equipment > building and constructing equipment > fastenings > 			[noun]		 > screw > each component part of screw fastening (1)		 screw1596 Either of the component parts of a joint or fastening secured by screwing. Now rare.  | 
	
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