guest Moderator 管理成员 注册 2002-10-07 消息 402,305 荣誉分数 76 声望点数 0 2016-05-18 #1 Navigation company NAV Canada says new, satellite-based technology will allow commercial aircraft to take arrival routes to the Ottawa airport that will save about 750 tonnes of Greenhouse gas emissions. 查看原文...
Navigation company NAV Canada says new, satellite-based technology will allow commercial aircraft to take arrival routes to the Ottawa airport that will save about 750 tonnes of Greenhouse gas emissions. 查看原文...
