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Terms for subject General containing 岩 心 钻 | all forms | in specified order only
ChineseEnglish
回转式岩心钻头rotacore
岩心钻头jackbit
岩心钻机drill
岩心钻进core-drilling
全断面无岩心钻孔的full-hole
金冈石岩心钻机制造业协会美Diamond Core Drill Manufacturers' Association

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