| 单词 | bell mouth |
| 释义 | bell mouth [`bel ´mau̇th] DESIGN ENGINEERING A flared mouth on a pipe opening or other orifice. ENGINEERING A defect which occurs during metal drilling in which a twist drill produces a hole that is not a perfect circle. |
| 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。