请输入您要查询的英文单词:

 

单词 core barrel
释义 core barrel
noun
1. : a tube inside a drill pipe and supported by a bit to receive the core in core boring
2. : a tube usually of iron on which a foundry loam core is formed
随便看

 

英语词典包含332784条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2024/11/10 14:09:19