干线 groundline; trunk line; main stem; main line; main circuit; main feed; trunk; artery 公路干线 arterial or main highway; 交通干线 main lines of communication; 干线道路 [土] arterial road; 干线电缆 trunk cable; main cable; 干线公路 arterial highway; 干线铁路 main line railway; 干线通信 trunk communication; 干线网 arterial grid
In fact , china purchased the equipment for use in the trunk airliner program in consultation with mcdonnell douglas and for the contracted plane parts program in consultation with both mcdonnell douglas and boeing 事实上,中国购买这些设备是为了用于与美国麦道公司商谈的生产干线飞机项目,以及用于与麦道公司、波音公司商谈的转包生产飞机零部件项目。