The advanced small gasturbines feature small mass flow ratio, short vanes and blades with low aspect, high second flow and blade tip leakage losses, and low efficiency.

先进的小发动机涡轮的流量小，叶片短，展弦比低，二次损失及叶尖漏泄损失大，效率低，温度高冷效差。

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In case a large leakage of steam occurs, the engine efficiency will fail.

如果蒸汽大量泄漏，引擎效率将会降低。

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The leakage of piston pairs has great influence on hydraulic pressure systems service behavior and operating efficiency.

活塞副的泄漏对液压系统的工作性能和工作效率有很大影响；

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"The continuing impact and heightened risk of drought in the South, as a consequence of climate change, highlight the importance of our emphasis on leakage management, water efficiency and demand management, " it said.

BBC: NEWS | Business | Water firms boost profit streams

First, it would sacrifice the many benefits of micro efficiency to plug an apparent macro leakage.

FORBES: We Need Demand, Not Protectionism