How to Draw a Helicopter Easy Step by Step
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Helicopter is a type of
Helicopter is a type of aircraft which derives both lift and propulsion from one or more sets of horizontally revolving overhead rotors. It is capable of moving vertically and horizontally, the direction of motion being controlled by the pitch of the rotor blades.
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در تاریخ 1397/09/07 منتشر شده
است.
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