像20w -50如许的高粘度机油仅仅在非常高的温度下有微小的优势。
There is little advantage to a thicker based oil as a 20w-50 at very high temperatures.
世界尖端发动机油，超高粘度指数基础原料与先进配方技术的完美组合，满足国内外新型轿车的使用要求。
The world's cutting-edge engine oil, high viscosity index formula based on raw materials and advanced technology, perfect combination of new cars to meet the domestic requirements.
深度精制的高粘度指数基础油的使用可以提高发动机油节能效果和保持能力。
Deeply refined base stocks with high viscosity index can also improve energy economy effect and retentivity.
对中、高粘度废压缩机油的净化进行了研究。
Purification of middle and high viscosity of waste oils from compressor was studied.
对中、高粘度废压缩机油的净化进行了研究。
Purification of middle and high viscosity of waste oils from compressor was studied.
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