powerplants

Influence of attemperation, used in superheaters and reheaters on The economy ot powerplants, is being calculated with the equivalent heat drop method, providing data useful for design, retrofit and operation of attemperation systems.

该文运用等放热降法，分析计算了锅炉过热器和再热器喷水减温对电厂经济性的影响，获得了喷水域温系统合理设计、改造及运行的技术依据。

Engines were rated according to a wide range of characteristics including horsepower and torque, fuel economy, noise, vibration and harshness characteristics, technology and how they fared against competing powerplants.

各位专家根据多项特征进行打分，包括动力和扭矩、燃料经济、噪音、抖动和声振粗糙度、技术以及这些发动机相对于竞争对手的表现。

Automakers like Nissan and Mazda are highly competitive in fuel efficiency ratings, using smaller, lighter powerplants to score high with consumers and governments.

日产（Nissan）、马自达（Mazda）等汽车制造商在燃料效率评级方面极具竞争力，其车型使用了较小较轻的发动机，因而得到消费者和政府部门的高度评价。