“back coal”概念、定义、翻译-科学时代

单词	back coal
释义	能源科学技术词汇手册 back coal 矿自用煤，矿工福利煤
随便看	river channel pattern river chart river chart river cliff river confluence river correction river course river crab river crossing river crossing river crossing river-crossing leveling river-crossing leveling river cut off river deflection river delta river density river density river density river depot river development river discharge river diversion river-dominated delta river dredging

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。