谢谢您喜欢！“每转一圈发电一度”是说大风车的扇叶每转上一圈，风车发出的电能是一度。

来源: --1234567- 于 2014-07-23 15:33:55 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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