????
??????
?? ?? ??
??????
??? Standard
????GB/T3639
????GB/T8713
??????
????DIN2391-2
????HK15-2000
????
????? Uses
?????????????е???????豸?????????
??????
??????
????
?????? |
???? |
? ?? |
???? / ? |
BK |
????????????????????????????????к?С????? |
???? / ?? |
BKW |
??????????????С?????????????????????????????????????Σ????磺??????????? |
??????
?????????????? |
BKS |
??????????? Ac 1 ??????????????????????? |
??? |
GBK |
??????????????????????????е??????? |
???? |
NBK |
??????????????????????????е????? |
????????????1
??????????????????:[(??-???)*???]*0.02466=kg/??(????????)