“drill collar”的概念、定义、翻译、参考文献-科学参考

单词	drill collar
释义	drill collar Encyclopedia 工学钻井装备释 drill collar钻铤钻杆柱与钻头之间的零件。
随便看	oxide mineral oxide minerals in coal oxide molecular-beam epitaxy oxide of graphene oxide ore collector oxide/oxide ceramic matrix composite oxide refractory product oxides doped molybdenum materials oxide semiconductor oxide superconductor oxide superconductors oxidimetry oxidization loss rate oxidized cholesterol oxidized iron fillings oxidized paraffinum sodium salt oxidized paraffin wax soap oxidized zone of coal oxidizer oxidizer-rich gas staged combustion liquid rocket engine oxidizing active DNA alkylating agent oxidizing active DNA crosslinking reagent oxidizing agent oxidizing capacity of the troposphere oxidizing liquids

科学参考收录了854744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。