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發(fā)布時(shí)間: 2023-11-6 11:09
正文摘要:為啥風(fēng)車的葉片不是4片或者2片,,而是3片呢,?因?yàn)?葉片風(fēng)力機(jī)力矩轉(zhuǎn)化效率最高,當(dāng)葉片大于等于3片時(shí),,很難再提高效率反而會(huì)增加成本,。且3葉片風(fēng)力機(jī)噪音低,視覺(jué)上也更美觀,。! q3 e$ i5 f; [" `/ @: F2 U* p . |6 ` ... |
穿越小說(shuō)里林振華不是靠五葉風(fēng)扇賺麻了么![]() |
y1s1,,4片的時(shí)候效率最高,不過(guò)成本提高25%,,發(fā)電量卻才提升10% |
都自問(wèn)自答了 |
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