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backward wave tubes
backward wave tubes
英
[backward wave tubes]
美
[backward wave tubes]
中文释义
反向波管
单词分析
单词结构:
backward wave tubes
字母数:19
记忆提示
🎯 重点记忆:
单词拼写:backward wave tubes
核心含义:反向波管
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更新时间:2025-12-09 05:37:12