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?? 4??? ??? ???? ??? ??? ??.

?? ???? ??? ???? ??? ??? ??? ????: ???? ??? ?? ? ??, ??? ? ?? ??, ??, ??, ?? ? ?? ??, ?? ??.

Group Standards of the People's Republic of China, ??? ???

• T/ZGIA 005-2021 ?? ?? ????? ??? ?? ??? ??? ??? ?? ??
• T/CSTM 00591-2022 Vanderbilt ??? ??? ???-?? ????? ??? ??
• T/ZGIA 003-2020 ?? ?? ???????? ??? ?? ??? ??? ??? ?? ??

Jiangsu Provincial Standard of the People's Republic of China, ??? ???

• DB32/T 4026-2021 ??? ??? ????? ??? ?? ??? ??? ??

??:   ??? ???, ??? ???? ???, ??? ? ? ????, ??? ?? ???, ??? ???, ??? ? ??? ????, ???? ??????, ??? ???, ??? + ?????, ??? ???, ??? ???, ??? ?? ???, ???? ??? ????, ??? ???, ???, ??, ???, ??? ?? ??, ??? ???, ???, ???,, ???, ??? ??, ??? ???,, ??? ??? ??, ??? ? ??? ???, ?????? ???.