The whole apparatus operates under high vacuum.
整个装置在高真空下运转。
Subsequently, the breakdown happened inside of the high-voltage vacuum apparatus was researched initially by means of scanning electron microscope analysis and vacuum apparatus dissection.
采用高压真空器件解剖、扫描电镜分析和高压脉冲耐压试验分析了高压真空器件内的真空击穿、陶瓷击穿。
An ultra high vacuum gaseous hydrogen permeation apparatus has been designed.
报道了超高真空气相氢渗透实验装置的设计及研制。
Provided is a multi-cyclone apparatus for a vacuum cleaner with a high dust collection efficiency.
本发明提供一种用于真空吸尘器的具有高的灰尘收集效率的多管旋风设 备。
Provided is a multi-cyclone apparatus for a vacuum cleaner with a high dust collection efficiency.
本发明提供一种用于真空吸尘器的具有高的灰尘收集效率的多管旋风设 备。
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