“定心环”概念、定义、翻译-科学时代

单词	定心环
释义	工程与技术词汇手册 centring ring 定心环
随便看	abstract invoice abstraction abstraction abstraction abstraction abstraction abstraction abstraction abstraction abstraction abstraction abstraction Abstraction-Creation Gabo abstraction hierarchy Abstractionism abstractionism abstractionism abstractionist abstractionist abstraction norm abstraction of a river abstraction of water abstraction operator abstraction theory of money abstraction volume

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

centring ring