| 单词 | vacuum tube |
| 释义 | vacuum tube真空管, 电子管【化】 真空管 vacuum tube vacuum tube n.Abbr. VT（名词）缩写 VTAn electron tube from which all or most of the gas has been removed, permitting electrons to move with low interaction with any remaining gas molecules.真空管：一种内部空气全部或部分抽空的电子管，从而使电子在不受或少受空气分子的干扰下运动 |
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