“黑烟”概念、定义、翻译-科学时代

单词	黑烟
释义	能源科学技术词汇手册黑烟 lampblack
随便看	railroad bond railroad carrier railroad engineering survey railroad flak railroad grade crossing railroad grade crossing rail-road omnibus railroad retirement system rail-road semi-trailer rail-road service railroad subrogation waiver clause railroad tie rail-road trailer rail shifting machine railship rail steel rail straightener rail tank car rail-trailer shipment rail transfer rail transit rail transit rail transport rail transport rail transport

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。