“pitch coal”概念、定义、翻译-科学时代

单词	pitch coal
释义	矿业工程技术词汇手册 pitch coal 沥青煤；烟煤
随便看	inundation inundation in utero invade invader invader invading air invading diseases of fish invading species invading water invagination invagination invalid invalid invalid invalidated ticket invalidation invalidation-based protocol invalid cookery invalid data invalided from service invalid food invalidicide invalidicide invaliding

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。