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| 英汉对照参考资料(13) | |
| 引用本文： | 林剑秋.英汉对照参考资料(13)[J].探矿工程,1985(2):54-55. |
| 作者姓名： | 林剑秋 |
| 摘 要： | In the hole equipment fordiamond drillingA basic review of the various standards, sizes, types ofequipment, and indicated applications of the hardwarethat goes into the hole when core drillingDrill rods and casingThere is often confusion re-garding the no |
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