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.
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。
Solid at the back and a danger going forward, he chipped in with seven goals in all competitions and contributed 11 assists last season - more than double anyone else at Goodison.
防守稳健，助攻犀利。各项比赛贡献进球7个，助攻11次。后项数据比古德逊公园其他任何球员的两倍都要多。
Solid at the back and a danger going forward, he chipped in with seven goals in all competitions and contributed 11 assists last season - more than double anyone else at Goodison.
防守稳健，助攻犀利。各项比赛贡献进球7个，助攻11次。后项数据比古德逊公园其他任何球员的两倍都要多。
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