“半无烟煤”概念、定义、翻译-科学时代

单词	半无烟煤
释义	矿业工程技术词汇手册半无烟煤 carbonaceous coal；semi-anthracite
随便看	mechanical modulator mechanical mole mechanical motion mechanical motion mechanical moulding mechanical movement mechanical musical instrument mechanical noise mechanical noise mechanical noise of gas combustion system mechanical observation mechanical optical switch mechanical oscillation mechanical oscillator mechanical packing mechanical passivity mechanical pick mechanical picker mechanical picking mechanical plating mechanical plating mechanical plough mechanical polishing mechanical power mechanical power effectiveness factor

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。