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Terms for subject Metallurgy containing 岩 心 | all forms | in specified order only
ChineseEnglish
孕镶金刚石岩心钻头diamond-impregnated core drill bit
岩心core barrel
岩心记录drill record
岩心记录drill-log
岩心钻头coring bit
岩心 取心钻头hollow bit
岩心钻头jack bit
岩心钻头core drill bit
金刚石岩心钻头diamond-impregnated core drill bit