The electron gun,accelerator structure and klystron of accelerator operate under high vacuum condition.This article introduces the principle,structure and maintenance of Titanium sputtering ion pump.是什么意思_The electron gun,accelerator structure and klystron of accelerator operate under high vacuum condition.This article introduces the principle,structure and maintenance of Titanium sputtering ion pump.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句