发动机效率 [动力] engine efficiency ; motor efficiency ; efficiency
电动机效率 motor efficiency
发动机效率电动机效率 motor efficiency
降低发动机效率 reduced engine efficiency
作为一个有11岁孩子的单身母亲，采用在家工作的主要动机是提高我自己的工作效率。
The main motivation behind adopting home working was to increase my own productivity, as a single mum to an 11-year-old.
超过5490米是重型喷气式飞机的领域，因为喷气式发动机在更高的高度运行时效率更高。
Above 5,490m is the realm of the heavy jets, since jet engines operate more efficiently at higher altitudes.
因此，他将应用范围有限且效率低的蒸汽泵改造成了应用范围广泛的蒸汽发动机。
He thereby transformed an inefficient pump of limited use into a steam engine of a thousand uses.
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