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closed vacuum system
closed vacuum system
英
[closed vacuum system]
美
[closed vacuum system]
中文释义
un. 密封真空系统
单词分析
单词结构:
closed vacuum system
字母数:20
记忆提示
🎯 重点记忆:
单词拼写:closed vacuum system
核心含义:un. 密封真空系统
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更新时间:2026-01-12 09:39:22