真空油是一种精制矿物油，淡黄色的液体。
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.
本发明涉及高真空油，为解决具有高真空设备所需要的耐高温、高真空度的真空油。
The present invention provides a high vacuum oil with high-temp. resistance and high vacuum degree for high vacuum equipment and its preparation method.
对我国耐火材料行业的真空浸渍工艺及设备现状进行了分析，介绍了国产化真空油浸装备及工艺特点。
The current situation and characteristic of vacuum impregnation process and equipment in refractory industry in China are analyzed and introduced.
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