By calculating the parameters of a pumping unit's dual-winding motor current, power, efficiency in a campaign cycle can analyze its operating characteristic.
通过计算抽油机一个运动周期过程中双绕组电机的电流、功率、效率等参数可以分析其运行特性。
In some cases a firm will be able to keep a current product by increasing its life cycle.
在某些情况下，一个企业能够通过延长现有产品的生命周期来维持它。
In some cases a firm will be able to keep a current product by increasing its life cycle.
在某些情况下，一个企业能够通过延长现有产品的生命周期来维持它。
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