English translation for "交换高度层的空中交通"

climbing and decending traffic

Similar Words：

"交换服务" English translation, "交换服务中心" English translation, "交换干涉" English translation, "交换干线" English translation, "交换杆" English translation, "交换格" English translation, "交换格式" English translation, "交换格式标准语言" English translation, "交换个人信息" English translation, "交换个体" English translation