runway visibility

例句：

1. 1.The pilot was unable to see the runway due to poor visibility.
   飞行员由于能见度不好而无法看到跑道。
2. 2.The weather conditions made it difficult for the pilot to maintain a safe runway visibility.
   天气条件使得飞行员难以保持安全的操作跑道可见度。
3. 3. The aircraft was diverted to an alternative runway due to poor visibility.
   由于能见度差，飞机被改道到另一个跑道。