Though the range of water head is not too wide, maximum efficiency of Goupitan hydroelectric plant is very high and weighted efficiency focus on rated head wide range in flow.
尽管构皮滩电站的水头变幅并不大，但最高效率要求较高，而且设计水头附近横向权值大。
Before, the Grand Cherokee had only head-curtain airbags, which the Institute rated as only marginal protection in side crashes.
在这之前，大切诺基只有头部悬挂式的气囊。在侧面碰撞中机构只把他分类到边际保护中。
Submersible pump any of the provisions of the nameplate on the flow and head submersible pump is rated for use condition, the general is also more efficient use of the best point.
任何一台潜水电泵的铭牌上所规定的流量和扬程是这台潜水电泵使用的额定工况，一般也是使用效率较高的最佳点。
Nobody doubts that wealthy Singapore could be more generous. In 2008 the world Bank rated it the third richest country in the world, in terms of GDP per head at purchasing-power parity.
没人会质疑富有的新加坡会更加的慷慨，根据同等购买力的人头gdp, 2008年世界银行把新加坡列为世界上第三最富国家。
A high pressure rated cementing head has been designed and manufactured to meet the special needs of cementing operations for deep and ultra-deep Wells.
针对深井、超深井的固井特点及其特殊要求，研制了系列新型高压水泥头。
A high pressure rated cementing head has been designed and manufactured to meet the special needs of cementing operations for deep and ultra-deep Wells.
针对深井、超深井的固井特点及其特殊要求，研制了系列新型高压水泥头。
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