| 单词 | permissible machine |
| 释义 | permissible machine [pǝr`mis·ǝ·bǝl mǝ`shēn] MINING ENGINEERING A machine, such as a drill, mining machine, loading machine, conveyor, or locomotive, that meets the standards of the U.S. Bureau of Mines. |
| 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。