vacuum tube 详细解释

vacuum tube

n. 真空管, 电子管

词形变化

名词复数: vacuums | 动词过去式: vacuumed | 动词过去分词: vacuumed | 动词现在分词: vacuuming | 动词第三人称单数: vacuumes |

词义辨析

同义参见:

lamp  

英英释义

名词 vacuum tube:

electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope

同义词：tube, thermionic vacuum tube, thermionic tube, electron tube, thermionic valve

补充

vacuum tubevacuum tuben.1.〈美〉真空管,电子管

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