单词 | ton-kilometer |
释义 | ton-kilometer [`tǝn `kil·ǝ´mēd·ǝr] MINING ENGINEERING A unit of measurement equal to the weight in tons of material transported in a mine multiplied by the number of kilometers driven. |
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。