The action subject of civil aviation transportation is airlines.
民用航空运输的行为主体是航空公司。
The city is the river, railway, highway, aviation transportation hub.
该市是河运、铁路、公路、航空的交通运输枢纽。
Civil aviation transportation; Public safety; Public safety management.
航空运输业；公共安全；公共安全管理。
Programs in air transportation focus on aviation and air transportation services.
空中运输专业主要学习航空飞行及其服务。
Rail and civil aviation departments had made their arrangement on transportation carefully.
铁路及民航部门就转移伤员做了周密的运力部署。
Rail and civil aviation departments had made their arrangement on transportation carefully.
铁路及民航部门就转移伤员做了周密的运力部署。
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