PREVAC 4-6 真空系統(tǒng) 真空軸氦氣機(jī)械手（閉環(huán)）4-6 axes Helium Manipulators (Closed Cycle) PREVAC 4-6 真空系統(tǒng) 真空軸氦氣機(jī)械手（閉環(huán)）4-6 axes Helium Manipulators (Closed Cycle)
PREVAC 真空系統(tǒng) 高壓光電發(fā)射光譜 UHV 系統(tǒng) High Pressure Photoemission Spectroscopy UHV System [project 487]
PREVAC 真空系統(tǒng) 與 MBE 室集成的分析特高壓系統(tǒng) Analytical UHV system integrated with MBE chamber [project 473]
PREVAC 4-6 真空軸氦氣機(jī)械手（閉環(huán)）4-6 axes Helium Manipulators (Closed Cycle) PREVAC 4-6 真空軸氦氣機(jī)械手（閉環(huán)）4-6 axes Helium Manipulators (Closed Cycle)
