提出了大型电站双背压凝汽器优化运行最佳背压的确定方法，并给出了计算模型。
Determination method of optimal back-pressure for optimizing operation of double back-pressure condensers in large-scale power plants has been put forward, and computation model being given.
目前双背压汽轮机是按单背压汽轮机来进行热耗率计算的，由此带来热耗率计算的偏差。
At present heat rate calculate of the double back pressure turbine is according to single back pressure turbine, which brings deviation of heat rate calculate.
这些“靓标”通常出现在加大马力的，跑得跟跑车一样快的掀背车，轿车或双门车上。
The hot badges appear on souped-up hatchbacks, saloons and coupes that can be as quick as a sports car.
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