6 真空元件（Vacuum components）--本文档由网络收集，经我..
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Vacuum pump components 真空泵零部件
Vacuum electron components 真空电子元件
vacuum electronics components 电真空器件
vacuum chambers and components 真空室和组件
COMPONENTS FOR VACUUM CLEANERS 真空清洁器部件
vacuum components
真空组件
以上为机器翻译结果，长、整句建议使用 人工翻译 。
As an enthusiastic collector of vacuum-tube and vintage stereo components, Alcocer has also recently begun building custom stereo systems, based around vintage amplifiers.
WSJ: Alejandro Alcocer Turns Passion Into Design
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