“watch jewel”的概念、定义、翻译、参考文献-科学参考

单词	watch jewel
释义	watch jewel 钟表宝石
随便看	thread fit thread form thread forming machine thread forming tool thread galvanometer thread-grinder thread grinding thread groove thread guide thread head thread indicator threadiness threading threading chuck thread(ing) cutter threading dial threading die thread(ing) hob threading lubricant threading machine threading roll threading speed threading tool threading tool chaser threading tool(chaser)

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。