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發布時間: 2023-11-6 11:09
正文摘要:為啥風車的葉片不是4片或者2片,而是3片呢?因為3葉片風力機力矩轉化效率最高,當葉片大于等于3片時,很難再提高效率反而會增加成本。且3葉片風力機噪音低,視覺上也更美觀。/ ?" C7 u7 o# [) Z5 u: I & ^5 M2 E! b( ... |
Archiver|手機版|小黑屋|機械社區 ( 京ICP備10217105號-1,京ICP證050210號,浙公網安備33038202004372號 )
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