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8月25日,昌河飞机工业集团公司与中央电视台在京举行了直-11中继航拍直升机交接暨颁证仪式,它标志着我国国产直升机首次
On August 25, Changhe Aircraft Industry Corporation and CCTV held a direct -11 relay aerial photography helicopter handover ceremony in Beijing, marking the first time for China’s domestic helicopter