| 单词 | crown wheel |
| 释义 | crown wheel [`krau̇n ´wēl] DESIGN ENGINEERING A gear that is light and crown- shaped. HOROLOGY 1. The horizontal escape wheel of a verge escapement timepiece. 2. The wheel in the winding mechanism of a watch that drives the ratchet wheel and is itself driven by the winding-stem pinion. |
| 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。