High and low double speed filling can avoid the overflow phenomenon, and can significantly increase the production efficiency.

高低双速灌装，避免产生冒溢现象，同时大幅度提高生产效率。

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In the technology reform of Dongjiang Pumping Station, a large scale axial -flow pump with double speed is used to fitting in with the nature of the pump head varying greatly.

东江泵站结合扬程变化幅度大的特点，在技术改造中采用双速全调节叶片的大型轴流泵机组型式，取得了明显的节能效益。

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The double speed switch has the advantages of simple structure and good transmission effect.

这种结构的双速开关结构简单、传动效果好。

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Over the past few weeks she'd withered in fast-motion, like a movie playing at double-speed.

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Though it is double the speed of its predecessor, it will use the same amount of electricity to run and cool it.

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It states that computers tend to double their speed every 18 months.

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