| 词汇 | vacuum tube |
| 释义 | vacuum tube 1 ENTRIES FOUND: vacuum tube (noun) vacuum tube noun plural vacuum tubes vacuum tube noun plural vacuum tubes Learner's definition of VACUUM TUBE [count] US : a glass tube that was used in the past in computers, televisions, etc., to control the flow of electricity（玻璃制的）真空管，电子管 — called also (British) valve |
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