Witheightbloodshoteyesfixedonaflyingobject,thepainsofat...
問題詳情：Witheightbloodshoteyesfixedonaflyingobject,thepainsofatwoyearprojectwereabouttobearfruit.ItwasWangHongyi'sfirsttestflightofanunmannedaerialvehicle(UAV)(無人機)designedandassembled(組裝)with...