This paper introduces one special case of low vacuum of cyclotron.
介绍了回旋加速器的一例真空度不足的特殊故障。
Under these conditions, a vacuum is indicated on the low pressure side.
在这些情况下，说明低压端存在一个真空状态。
Vacuum dust collection system is system of high negative pressure and low air flow.
简介：真空吸尘系统，是一种高负压、低流量的除尘系统的统称。
Vacuum dust collection system is system of high negative pressure and low air flow.
真空吸尘系统，是一种高负压、低流量的除尘系统的统称。
A new extreme high vacuum molecular shield lab. On low-earth orbit is designed.
给出了一种新型的近地轨道极高真空分子屏实验室设计。
A new extreme high vacuum molecular shield lab. On low-earth orbit is designed.
给出了一种新型的近地轨道极高真空分子屏实验室设计。
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