“持键器”的概念、定义、翻译、参考文献-科学参考

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。

单词	持键器
释义	持键器 key holder
随便看	supplementary financing facility supplementary-fired steam generator supplementary flux supplementary fuel supplementary gear-box supplementary genes supplementary group supplementary guarantee supplementary heating supplementary humidification supplementary income supplementary income tax supplementary instrument supplementary insulation supplementary irrigation supplementary item supplementary judgment supplementary labour supplementary layer of felt supplementary lens supplementary lighting supplementary list supplementary live steam nozzle supplementary live steam pipe supplementary loan