Use of the fourth generation multigrade oil for diesel engine can cut down the warming up hours, save energy, reduce engine wear, and so on.
多级四代机油具有良好的低温起动性能以及节能性能，使用该油品可以缩短打温时间、节约能源、减少柴油机磨损等。
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。
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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