RVR和VIS是运行标准的龙凤胎 你可能在陆空通话中听到过以下句子:1. Confirm current RVR less than 400 meters. 2. Confirm visibility more than 1000 meters.3.Is mid-point RVR available? 4.Confirm touchdown RVR greater than 350 me.. 标准 运行 龙凤胎 2020-05-04 15:08 作者:mycax 阅读全文