“hand labo(u)r”的概念、定义、翻译、参考文献-科学参考

单词	hand labo(u)r
释义	hand labo(u)r 手工操作
随便看	drive element drive end drive end bearing drive end felt washer guard drive end head drive end plate slinger drive fit drive flange drive force drive friction plate drive gear drive gear box drive gear carrier drive gear mechanism drive gear wheel drive head drivehead drive housing drive idler gear drive in drive-in bank drive-in cotter drive-in diffusion drive-in restaurant drive-in teller window

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。