全部 » Lifestyle » Business » 一名男子将螺旋桨放在无人机上的手 Hands of a man putting the propellers on a drone
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mixkit.co一名男子正在组装一架复杂的自制无人机，并在其上安装螺旋桨。
Close view of the hands of a man assembling a sophisticated homemade drone, putting the propellers on it.