They also have a double membrane.
它们同样具有双层膜结构。
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。
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。
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