Double membrane structure and the use of solar energy, tidal power, fully embodies the combination of energy, environmental protection, the nature of the design concept.
双层膜结构的使用及太阳能，潮汐能的组合供电，充分体现了节能，环保，亲近自然的设计理念。
The working principle of the piezoelectric membrane pump with the series-connected double Chambers and the holistic opening valve was analyzed theoretically and its structure design was given.
阐述了带整体开启阀的双腔串联压电薄膜泵的工作原理并给出结构设计。
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