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本文介绍兰州炼油厂石油炼制研究所及兰州轴承厂等单位联合研制的一种新的快速淬火油,并对该油在轴承行业若干厂的试用效果作了简单说明。附表3个。
This paper introduces a new rapid quenching oil jointly developed by Lanzhou Refinery Oil Refinery Research Institute and Lanzhou Bearing Factory and other units, and gives a brief description of the trial effect of this oil in several bearing factories. Schedule 3.