Witheightbloodshoteyesfixedonaflyingobject,thepainsofat...
问题详情：Witheightbloodshoteyesfixedonaflyingobject,thepainsofatwoyearprojectwereabouttobearfruit.ItwasWangHongyi'sfirsttestflightofanunmannedaerialvehicle(UAV)(无人机)designedandassembled(组装)with...