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DE??? ??? ????
?? 6??? ??? ??? ????? ??? ??? ??.
?? ???? ??? ??? ????? ??? ??? ??? ????: ??? ? ? ?? ?? ??, ??? ? ?? ??, ?? ? ?? ?? ??.
National Association of Corrosion Engineers (NACE), ??? ??? ????
Shanghai Provincial Standard of the People's Republic of China, ??? ??? ????
SCC, ??? ??? ????
Professional Standard - Petroleum, ??? ??? ????