????
?????
?? ?? ??
????????????????п??????????????????????????????????????????????ú????????????????????????????????????????????????????????е?????????????????????????????????????????????
??????
??? 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????? |
??????韁???????
????
| ????? |
?????????????? |
| D1 |
??1.5%????С??0.75 mm |
| D2 |
??1.0%????С??0.50 mm |
| D3 |
??0.75%????С??0.30 mm |
| D4 |
??0.50%????С??0.10 mm |
??????????????????????
???????????:
??????綽??18921511196??????????????綽??0510-88268136??
??????綽??13812042226??????????????綽??0510-88267553??
????????????:
??????綽??13382886444??????????????綽??0510-88264321??
??????綽??18014258567??????????????綽??0510-88268567??
????????????:
??????綽??13646176766??????????????綽??0510-88269158??