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invention of improvement
invention of improvement
英
[invention of improvement]
美
[invention of improvement]
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[专利] 改进(性)发明
单词分析
单词结构:
invention of improvement
字母数:24
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单词拼写:invention of improvement
核心含义:[专利] 改进(性)发明
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更新时间:2025-12-23 14:25:00