English translation for "能见度不良时使用的声号"

sound signals in restricted visibility

Related Translations:

能见度在:  km2kmm

能见度好:  fair visibilitygood visibilityvisibility good

塔台能见度:  tower visibility

显示能见度:  display visibility

能见度表:  visibility meter

飞行能见度:  flight visibility

表面能见度:  surface visibility

跑道能见度:  amount of runway visibilityrunway visibility

比能见度:  specific visibility

直视能见度:  line of sight coverage

Similar Words：

"能见度不定" English translation, "能见度不好" English translation, "能见度不好的天气" English translation, "能见度不良" English translation, "能见度不良时的声号" English translation, "能见度不良狭视距" English translation, "能见度测定表" English translation, "能见度测定仪" English translation, "能见度测量仪" English translation, "能见度代码" English translation