英语词汇“roller-cone core bit”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	roller-cone core bit
释义	roller-cone core bit 牙轮岩心钻头
随便看	pullinger Pullinger pullingers pulling escape pulling-etching pulling experiment pulling eye pulling face pulling factor pulling figure pulling for pulling force pulling force of towing rope pulling form moulding pulling furnace pulling glass pulling in pulling-in dog pulling in dogs pulling-in dogs pulling-in effect pulling-ing machine pulling in machine pulling-in machine pulling in parallel operation