More ideas from dorin
8bb609feb100bb3eae040dc61bc74786be98f81a94b3e-iuDXJ8 (731×1285)

8bb609feb100bb3eae040dc61bc74786be98f81a94b3e-iuDXJ8 (731×1285)

花瓣
http://egardeningtools.com/product-category/generators/

How Works : When you talk about modern wind you're looking at two primary designs: horizontal-axis and vertical-axis. Vertical-axis wind turbines (VAWTs) are pretty rare. The only one currently in commercial production is the Darrieu

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