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DE??? ??
?? 23??? ??? ??? ??? ??? ??.
?? ???? ??? ??? ??? ??? ??? ????: ??, ????, ????, ??? ???, ?? ? ?? ??, ??, ???, ???, ???, ?? ??, ?? ? ??(?? ??), ?? ??, ?? ? ??.
National Metrological Verification Regulations of the People's Republic of China, ??? ??
Professional Standard - Urban Construction, ??? ??
Jiangsu Provincial Standard of the People's Republic of China, ??? ??
Group Standards of the People's Republic of China, ??? ??
Tianjin Provincial Standard of the People's Republic of China, ??? ??
Shandong Provincial Standard of the People's Republic of China, ??? ??
Professional Standard - Environmental Protection, ??? ??
- HJ 101-2019 ??? ?? ???? ?? ?? ???? ?? ?? ?? ? ?? ??
- HJ 377-2019 ??? ?? ???(CODCr) ??? ??? ?? ????? ?? ?? ?? ?? ? ?? ??
- HJ/T 377-2007 ?? ?? ??? ?? ?? ?? ?? ??? ?? ???(COD) ?? ??? ?? ???
Guangdong Provincial Standard of the People's Republic of China, ??? ??
Hunan Provincial Standard of the People's Republic of China, ??? ??