• This paper presented the working principle and structure of the double-action vane pump, analyzed its mechanism of variable displacement and characteristics of energy saving.

    本文介绍作用叶片式二次元件结构工作原理分析了节能原理特点

    youdao

  • This paper presented the working principle and structure of the double-action vane pump, analyzed its mechanism of variable displacement and characteristics of energy saving.

    本文介绍作用叶片式二次元件结构工作原理分析了节能原理特点

    youdao

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