A new formulation for CD diesel engine oil has been developed.
介绍了一种CD柴油机油新配方的研制情况。
The formulation and evaluation of SAE30 CD diesel engine oil are described in this paper.
本文介绍了SAE30 CD级柴油机油的研制和评定结果。
The volatility and valve train wear are the two difficulties encounted inthe formulation of low viscosity multigrade engine oil.
研究和制备低粘度多级油应充分考虑挥发性和磨损。
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