详细地介绍了前苏联1953年由国家制订的高真空油扩散泵工业产品的统一系列。
Describes in detail the unified standards formulated in 1953 for the series of high vacuum oil diffusion pumps manufactured in the former USSR.
采用扩散泵和机械泵作高真空抽气系统组成模拟系统，以达到地外紫外线辐照条件。
To reach the qualification of outer space ultraviolet irradiation, we adopted the diffuse pump and mechanic pump as the high vacuumizing unit.
KT - 400高真空油扩散泵，它的特点是真空极限高，抽速大，提高生产效率，同时真空气动阀门采用自动控制。
KT-400 high vacuum oil diffusion pump, which is characterized by extreme high vacuum, pumping speed large, increase production efficiency while the vacuum pneumatic valves with automatic control.
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