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backward-wave tube
backward-wave tube
英
[backward-wave tube]
美
[backward-wave tube]
中文释义
[电] 回波管
单词分析
单词结构:
backward-wave tube
字母数:18
记忆提示
🎯 重点记忆:
单词拼写:backward-wave tube
核心含义:[电] 回波管
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更新时间:2026-02-01 21:20:00