The utility model having the advantages of simple structure and rotation with wind, and particularly a centrifugal force during rotation can cause rain drops to slide down rapidly.
该实用新型具有结构简单，有风便能旋转的优点，特别是靠转动时的离心力可使雨滴快速滑落。
The utility model having the advantages of simple structure and rotation with wind, and particularly a centrifugal force during rotation can cause rain drops to slide down rapidly.
该实用新型具有结构简单，有风便能旋转的优点，特别是靠转动时的离心力可使雨滴快速滑落。
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