user class of service

英 [user class of service]
美 [user class of service]

中文释义

用户服务级别

单词分析

单词结构：

user class of service

字母数：21

记忆提示

🎯 重点记忆：

  • 单词拼写：user class of service
  • 核心含义：用户服务级别

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更新时间：2026-01-23 08:45:53