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DE??? ?? ??
?? 9??? ??? ?? ??? ??? ??? ??.
?? ???? ??? ?? ??? ??? ??? ??? ????: ????, ???, ??.
SCC, ??? ?? ??
American Society for Testing and Materials (ASTM), ??? ?? ??
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ??? ?? ??