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DE??? ??
?? 11??? ??? ??? ??? ??? ??.
?? ???? ??? ??? ??? ??? ??? ????: ?? ??, ???? ??.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??? ??
SCC, ??? ??
RO-ASRO, ??? ??
European Association of Aerospace Industries, ??? ??