| 单词 | block coal |
| 释义 | block coal [`bläk ´kōl] MINING ENGINEERING 1. A bituminous coal that breaks into large lumps or cubical blocks. 2. Coal that passes over 5-, 6-, and 8-inch (127-, 152-, and 203-millimeter) block screens; used in smelting iron. |
| 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。