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阴极透镜
meaning in English
cathode lens
first electron lens
Related Words
阴极支架
空心阴极
阴极送话器
阴极照明
烧结阴极
阴极电压
控制阴极
虚设阴极
阴极辊
阴极蚀刻
阴极铜
阴极铜粉压制烧结法
阴极涂层
阴极涂料
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