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1Academic Journal
المؤلفون: ZHANG Qing
المصدر: Hangkong gongcheng jinzhan, Vol 15, Iss 3, Pp 135-142 (2024)
مصطلحات موضوعية: old helicopter, maintenance, non-destructive testing, key parts, application technology, the timing of using, Motor vehicles. Aeronautics. Astronautics, TL1-4050
وصف الملف: electronic resource