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Terms for subject Drilling containing 底岩 | all forms | in specified order only
ChineseEnglish
底岩bed of debris
底岩屑和泥饼压实成的硬块concrete
井底循环返出岩屑bring bottoms up
井底破碎岩心chopping
井底钻开的砂岩层层面sand face surface
井底钻开的砂岩层层面sand face
压持井底岩屑的静压力static chip hold down pressure
压持井底岩屑的静压持力static hold down