The compact, high efficiency counter-flowing evaporator minimizes the compressor size allowing for maximum energy savings.

结构紧凑，效率高，反流蒸发器最大限度地减少压缩机的规模最大的节能允许。

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One way to increase the efficiency of a high-bypass jet engine is to turn the fan into an open rotor, a bit like returning to propellers, but using two rings of stubby counter-rotating blades.

提高高旁通飞机引擎的方法之一就是把风扇变成开放式旋翼，有点回归于螺旋桨的味道，但要使用两圈粗短的反旋桨叶。

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Using intelligent digital counter, convenient and quick to improve production efficiency.

采用智能数显计数器，方便快捷提高生产效率。

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However, senior Labour figures north of the Border counter that more people are being treated and the government is progressing with its NHS efficiency drive and will continue to do so if it earns a second term.

BBC: Tempers rise over health figures