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2007年3月30日,ARJ21新支线飞机总装、试验全面启动大会暨新闻发布会在一航上飞厂召开,新支线飞机首架试飞机总装正式开铆。2007年5月11日.ARJ21新支线飞机首架试飞机雷达罩在一航特种所顺利交付。该部件的交付,标志着 ARJ21
March 30, 2007, ARJ21 new regional aircraft assembly, test the full launch of the conference and press conference was held in a flight plant, the new regional aircraft first test aircraft assembly officially opened riveting. May 11, 2007. ARJ21 new regional aircraft first test aircraft radome successfully delivered in a special airport. The delivery of this part marks the ARJ21