| 单词 | multiple-entry system |
| 释义 | multiple-entry system [`mǝl·tǝ·pǝl `en·trē ´sis·tǝm] MINING ENGINEERING A system of access or development openings generally in bituminous coal mines involving more than one pair of parallel entries, one for haulage and fresh-air intake and the other for return air. |
| 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。