Ptt 大爆卦 | 螺旋葉片設計 - 前往 http://docsplayer.com/94103844-52-%E5%90%B3%E6%98%8E%E5%BE%B7-%E8%B2%B3-%E9%A2%A8%E5%8A%9B%E6%A9%9F%E8%91%89%E7%89%87%E8%A8%AD%E8%A8%88%E8%88%87%E8%A3%BD%E4%BD%9C-%E4%B8%80-%E8%9E%BA%E6%97%8B%E8%88%87%E8%9E%BA%E8%B7%9D%E5%9C%A8%E6%95%B8%E5%AD%B8%E5%B9%BE%E4%BD%95-%E8%9E%BA%E6%97%8B%E5%B0%B1%E6%98%AF%E5%9C%A8%E6%97%8B%E8%BD%89%E7%9A%84%E5%90%8C%E6%99%82%E4%B9%9F%E5%89%8D%E9%80%B2-%E8%80%8C%E6%97%8B%E8%BD%89%E4%B8%80%E5%91%A8%E6%89%80%E5%89%8D%E9%80%B2%E7%9A%84%E8%B7%9D%E9%9B%A2%E5%B0%B1%E7%82%BA%E8%9E%BA%E8%B7%9D-pitch-%E5%9C%A8%E6%97%A5%E5%B8%B8%E7%94%9F%E6%B4%BB%E4%B8%AD%E5%B8%B8%E8%A6%8B%E7%9A%84%E8%9E%BA%E6%97%8B%E6%A7%B3-%E9%A2%A8%E6%89%87-%E9%A2%A8%E6%A9%9F%E8%91%89%E7%89%87-%E8%9E%BA%E7%B5%B2%E9%87%98%E5%8F%8A%E8%9E%BA%E6%97%8B%E6%A8%93%E6%A2%AF%E7%AD%89%E9%83%BD%E6%98%AF%E5%B8%B8%E8%A6%8B%E7%9A%84%E8%9E%BA%E6%97%8B%E5%BD%A2%E5%BC%8F-fl-fsin%CE%B1cos%CE%B1-fsin%CE%B1-fd-fsin-2-%CE%B1-f-%CE%B1-%E7%9B%B8.html

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