| 摘要 |
<p num="1"><br/><br/><br/><br/> A honing tool for honing holes in workpieces, <br/>having an abrasive portion including a first abrasive <br/>layer therearound of abrasive particles of a first size, <br/>including a region having a second abrasive layer of <br/>abrasive layers of a second size sufficiently smaller <br/>than the first size, so as to be disposed in interstices <br/>between abrasive particles of the first abrasive layer <br/>without altering the diametrical size of the first <br/>layer, and so as to provide enhanced wear resistance.<br/>
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