“服务级别”的概念、定义、翻译、参考文献-科学参考

单词	服务级别
释义	服务级别 service class service rank class of service (COS)
随便看	retained earnings retained earnings statement retained import retained income retained material retained menstruation retained ownership retained percentage retained placenta retained porosity retained profits retained saving retained strength retained testis retained thing retained water retainer retainer bar (棉花收获机的) retainer belt retainer bolt retainer clip (打结器的) retainer cup retainer disk retainer flange retainer neutral polarized relay

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。