Helicopter 直昇機平衡原理
2:07
Added: 4 years ago
From: makseyuen2
Views: 7,127
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  • 我明了..

    chongch10 1 year ago

  • the main rotor must be over the center of the main axis of the base plate. where it is precisely the opposite effect of turning...:)

    jesulito26 1 year ago

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