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DE?? ? ??
?? 6??? ?? ? ??? ??? ??? ??.
?? ???? ?? ? ??? ??? ??? ??? ????: ??? ??, ?? ??.
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ? ??
中華人民共和國(guó)國(guó)家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局、中國(guó)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì), ?? ? ??
YU-JUS, ?? ? ??
American Society for Testing and Materials (ASTM), ?? ? ??