“charcoal pencil”的概念、定义、翻译、参考文献-科学参考

单词	charcoal pencil
释义	charcoal pencil 炭笔炭精铅笔
随便看	speed shifting lever casing speed-shifting mechanism speed sprayer speed stability speed stable speed stage speed standard speedster speed switch speed synchronizer speedtainer system speed teleindicator speed test speed threshold speed tolerance speed-to-pressure transducer speed-torque characteristic speed-torque curve speed-transformation speed transformation speed transforming gear speed-transforming transmission speed transition zone (汽车) speed-transmitter speed transmitter

科学参考收录了1248194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。