更新时间：2024-12-16 22:03:14
Noun:- electronic device consisting of a system of electrodes arranged in an evacuated glass or metal envelope
- vacuum refining
- vacuum pan salt
- vacuumdesicator
- vacuum sparking
- vacuum-packed
- vacuum-system
- vacuum
- vacuum compound
- Vacuum activity
- vacuum pressing
- vacuum up
- vacuum drilling
vacuum tube是什么意思 vacuum tube在线翻译 vacuum tube什么意思 vacuum tube的意思 vacuum tube的翻译 vacuum tube的解释 vacuum tube的发音 vacuum tube的同义词
