• Double screw pump as a positive displacement pump, the pump suction chamber should be closely separated and discharge chamber inside.

    螺杆泵作为一种容积,泵内入室排出严密地隔开

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  • 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

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  • The working principle of a new kind of double-acting hand piston pump having two-step output pressure was introduced. The displacement and the output pressure calculating formulae were given.

    介绍种新型手动双作用双级柱塞工作原理,给出了排量输出压力的计算公式。

    youdao

  • The working principle of a new kind of double-acting hand piston pump having two-step output pressure was introduced. The displacement and the output pressure calculating formulae were given.

    介绍种新型手动双作用双级柱塞工作原理,给出了排量输出压力的计算公式。

    youdao

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