请输入您要查询的字词:

 

单词 bumper
释义 bumper
[`bǝm·pǝr]
ENGINEERING
1. A metal bar attached to one or both ends of a powered transportation vehicle, especially an automobile, to prevent damage to the body.
2. In a drilling operation, the supporting stay between the main foundation sill and the engine block.
3. In drilling, a fishing tool for loosening jammed cable tools.
METALLURGY
A vibrating machine for ramming and consolidating sand into a mold.
随便看

 

科学参考收录了103327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。

 

Copyright © 2000-2023 Sciref.net All Rights Reserved
京ICP备2021023879号 更新时间:2024/12/25 2:08:09