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DE?? ??? ???
?? 10??? ?? ??? ???? ??? ??? ??.
?? ???? ?? ??? ???? ??? ??? ??? ????: ??? ? ? ?? ?? ??, ?? ?? ??, ????, ?? ??? ??? ? ?? ??, ???, ?? ?? ??, ???? ??? ??.
Beijing Provincial Standard of the People's Republic of China, ?? ??? ???
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, ?? ??? ???
Jiangsu Provincial Standard of the People's Republic of China, ?? ??? ???
Group Standards of the People's Republic of China, ?? ??? ???
Professional Standard - Machinery, ?? ??? ???
工業(yè)和信息化部, ?? ??? ???
United States Navy, ?? ??? ???