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JP
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??? + ????

?? 2??? ??? + ????? ??? ??? ??.

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

National Metrological Verification Regulations of the People's Republic of China, ??? + ????

• JJG 127-1986 HP4191A ??? ???? ??? ?? ?? ??

CH-SNV, ??? + ????

• SNV 41205-1954 ????? ???? ? ??? ???? ??

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