utility model protec
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utility model protection
英
[utility model protection]
美
[utility model protection]
中文释义
[专利] 实用新型保护
单词分析
单词结构:
utility model protection
字母数:24
记忆提示
🎯 重点记忆:
- 单词拼写:utility model protection
- 核心含义:[专利] 实用新型保护
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更新时间:2026-08-31 07:18:52