“钻孔配件”的概念、定义、翻译、参考文献-科学参考

单词	钻孔配件
释义	钻孔配件 downhole equipment drill fittings
随便看	black mold black moonstone black mordant black mortar black mould of rice black mud black mustard black-necked crane black negative black negative or positive blackness Black Nightshade blacknose black nut black oil black oil conversion black onyx black opal blackout black-out amplifier blackout area blackout building blackout dial blackout effect blackout effect (接收机)

科学参考收录了1248194条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。