The invention refers to a spray pump device for spraying a liquid operated by a memory shape element (11).
本发明涉及一种由形状记忆元件(11)控制用于喷洒液体的喷洒泵装置。
The most efficient work point of of the pump device was deduced after the analysis of the relationships between hydropower loss and hydropower efficiency in pump and pump device.
本文分析了泵及泵装置的水力损失和水力效率的关系，推求出了泵装置的最高效率工况点。
The most efficient work point of of the pump device was deduced after the analysis of the relationships between hydropower loss and hydropower efficiency in pump and pump device.
本文分析了泵及泵装置的水力损失和水力效率的关系，推求出了泵装置的最高效率工况点。
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