The Bearing oil L-FD68 were formulated from base oil obtained by deep-refining paraffinic crude and doped with various additives.
以深度精制的石蜡基馏分油为基础油，添加了各种添加剂，制备了轴承油l - FD68。
A calibration valve oil for hydraulic shield safety valves was formulated by a base oilobtalned from the distillate of a deep-refining paraffinic crude with qualified additives.
以深度精制的石蜡基馏分油为基础油，添加具有改善油品性能的添加剂研制了液压支架安全阀校阀油。
Normally, refined vacuum distillates of paraffinic Daqing crude oil are used as base stocks and are packaged with composite additives.
该油以大庆原油正常精制的减压馏分油为基础油，添加复合添加剂而成。
Normally, refined vacuum distillates of paraffinic Daqing crude oil are used as base stocks and are packaged with composite additives.
该油以大庆原油正常精制的减压馏分油为基础油，添加复合添加剂而成。
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