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| 〔金刚石钻头〕嵌镶〔金刚石〕内径; 〔金刚石钻头〕最小内径 | |||
| 镶［金刚石］后的钻头内径 | |||
| 按嵌入金刚石设定的钻头内径 | |||
| 金刚石钻头的镶嵌内径 | |||
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