However, the managing director of Iran's airport authority said there were no indications of problems in conversations between the pilot and ground controllers before the crash.
然而，伊朗机场执行主任说，飞行员与地面飞行控制人员在飞机失事前的对话并没有出现问题的迹象。
He was once its finance director, and has private-sector experience. His job will be to pilot the negotiations with private oil-service firms.
他曾任Pemex金融部经理并有私部门经验，主要工作是要带头与民营石油服务公司进行谈判。
He was once its finance director, and has private-sector experience. His job will be to pilot the negotiations with private oil-service firms.
他曾任Pemex金融部经理并有私部门经验，主要工作是要带头与民营石油服务公司进行谈判。
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