文件名：E91074K航拍无人机甘肃张掖山丹军马场草原牦牛群.mp4 文件大小：219MB(230,292,593字节) 分辨率：3840x2160 MPC-HC 持续时间：00：00：22 00:00:03 00:00:06 00:0@0的 00:00:13 00:00:16 00:00:19