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investment in technological upgrading
investment in technological upgrading
英
[investment in technological upgrading]
美
[investment in technological upgrading]
中文释义
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单词分析
单词结构:
investment in technological upgrading
字母数:37
记忆提示
🎯 重点记忆:
单词拼写:investment in technological upgrading
核心含义:技改投资
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更新时间:2026-02-20 19:22:58