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The stability is an important performance index of power system.
电力系统的稳定性是电力系统的主要性能指标。
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Very high viscosity index and excellent viscosity stability in operation.
突出的高粘度指数，使用中卓越的粘度稳定性。
youdao
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Very high viscosity index and excellent viscosity stability in operation.
突出的高粘度指数，使用中卓越的粘度稳定性。
youdao