无人机一出，试问单反敢与争锋？？看来世界又向前迈进了一大步。

来源: 人在北欧于 2019-08-18 07:20:50 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.