Viscosity index An arbitary scale used to show the relativemagnitude Of viscosity changes with temperature.

粘度指数表明粘度随温度变化相对程度的经验量值。

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Viscosity index An arbitary scale used to show the relativemagnitude Of viscosity changes with temperature.

粘度指数表明粘度随温度变化相对程度的经验量值。

youdao