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DE??? ???? ??? ????
?? 16??? ??? ???? ??? ????? ??? ??? ??.
?? ???? ??? ???? ??? ????? ??? ??? ??? ????: ???, ?? ????, ?? ??, ???.
American Society for Testing and Materials (ASTM), ??? ???? ??? ????
HU-MSZT, ??? ???? ??? ????
SCC, ??? ???? ??? ????
Professional Standard - Machinery, ??? ???? ??? ????
PL-PKN, ??? ???? ??? ????
Group Standards of the People's Republic of China, ??? ???? ??? ????
國家市場監(jiān)督管理總局、中國國家標(biāo)準(zhǔn)化管理委員會, ??? ???? ??? ????
Professional Standard - Ferrous Metallurgy, ??? ???? ??? ????
Professional Standard - Building Materials, ??? ???? ??? ????