Mechanics. A device for ‘knocking out’ or ejecting something, esp. from a mould or die.
| 单词 | θ213829 | 
| 释义 | society > occupation and work > equipment > other specific types of equipment > 			[noun]		 > moulds or shaping equipment > device for ejecting something from mould (1)		 knock-out1893 Mechanics. A device for ‘knocking out’ or ejecting something, esp. from a mould or die. | 
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