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坚固电子管
meaning in English
ruggedized tube
ruggedized (electron) tube
Related Words
坚固
坚固的坚固性
坚固地基
坚固的
防守坚固
坚固慧
坚固岩石
坚固接缝
坚固支撑
完全坚固
坚固地, 安定地
坚固地基
坚固顶板
坚固度
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