vacuum technology的相關文章
vacuum technology的相關公司資訊
vacuum technology的相關商品
vacuum technology | Encyclopedia Britannica
瀏覽:445
日期:2026-04-21
vacuum technology, all processes and physical measurements carried out under conditions of below-normal atmospheric pressure. A process or physical measurement is generally performed in a vacuum for one of the following reasons: (1) to remove the ......看更多














