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DE???? ?? ??? ??
?? 35??? ???? ?? ??? ??? ??? ??? ??.
?? ???? ???? ?? ??? ??? ??? ??? ??? ????: ?? ??, ?? ??, ?? ??.
Group Standards of the People's Republic of China, ???? ?? ??? ??
SCC, ???? ?? ??? ??
未注明發(fā)布機構(gòu), ???? ?? ??? ??
The American Road & Transportation Builders Association, ???? ?? ??? ??
American Society for Testing and Materials (ASTM), ???? ?? ??? ??
AASHTO - American Association of State Highway and Transportation Officials, ???? ?? ??? ??
TH-TISI, ???? ?? ??? ??