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Firstly,you should understand what is 3D remote control helicopter, this simple answer is, at least for inverted hovering helicopter, not backward flight, the aircraft is upside down, belly to the sky! What is the electric 3D RC helicopter? What is the oil dynamic 3D remote control helicopter? Electric battery ...
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Hello, I am new here.This is hangmei.I am very glad to join the community.Hope we could talk happily.
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