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aeronautical communications service造句

"aeronautical communications service"是什么意思  
造句与例句手机版
  • One of the reasons is to allocate additional provision for procuring specialised stores and spare parts for the maintenance of the air traffic control system and the acquisition of aeronautical communication services for enhancement of flight safety
    1 % ) 。原因之一是需要额外拨款以采购保养航空交通管制系统的特别用途物料和零件,以及增添航空通讯服务以加强飞行安全。
  • It's difficult to see aeronautical communications service in a sentence. 用aeronautical communications service造句挺难的
如何用aeronautical communications service造句,用aeronautical communications service造句aeronautical communications service in a sentence, 用aeronautical communications service造句和aeronautical communications service的例句由查查汉语词典提供,版权所有违者必究。