air-to-ground communication

... air-to-ground communication 空对地通亯电码 air-to-ground communication 空对地通亯 air-to-ground missile 空对地飞弹 ...

... air-to-ground code 空对地通亯电码 air-to-ground communication 空对地通亯电码 air-to-ground communication 空对地通亯 ...