| 单词 | allen key |
| 释义 | Allen keynounan L-shaped tool consisting of a rod having a hexagonal cross section, used to turn a screw (Allen screw) with a hexagonal recess in the head. A different size of key is required for each size of screw Words nearby Allen keyAllenby, Allende, Allende Gossens, Allende meteorite, Allende, Salvador, Allen key, Allen Park, Allen screw, Allen's law, Allen's rule, Allen test Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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