airportseminarcaacaviationxiongunited
摘要:<正>A seminar on Shanghai airport airspace, sponsored by the airport’s second-phase project headquarters and East China Air Traffic Administration, was held in Shanghai between March 21 and 23.Present at the seminar were Shanghai Vice-Mayor
注:因版权方要求,不能公开全文,如需全文,请咨询杂志社