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directly heated filament
directly heated filament
英
[directly heated filament]
美
[directly heated filament]
中文释义
un. 直热式阴极 [网络] 直热式灯丝
单词分析
单词结构:
directly heated filament
字母数:24
记忆提示
🎯 重点记忆:
单词拼写:directly heated filament
核心含义:un. 直热式阴极 [网络] 直热式灯丝
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更新时间:2026-02-05 02:22:12