| 单词 | indexing head |
| 释义 | indexing headnouna circular plate mounted to rotate on its centre, inscribed with concentric circles, each accurately divided, the dimensions being marked by drilled holes. The plate can be moved round with a workpiece to facilitate the accurate location of holes or other machining operations on the workpiece Words nearby indexing headindex finger, index fossil, index fund, index futures, indexical, indexing head, indexing service, Index Librorum Prohibitorum, index-link, index-linked, index mineral 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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