????????????--??ξ????|??????|???????? 
?????????????? 
??λ???????????????GB3639-83?????????е???????豸???羫??????????????λ?????????????????t?????????????е???????豸?????????????е???????????????????????????????????????? 
 
| 
 8*2  | 
 27*2-3-4  | 
 50*2-2.5-3-4  |  
| 
 10*2.5  | 
 28*2-2.5-3-3.5-4  | 
 51*2-3-4  |  
| 
 16*2-2.5-3  | 
 29*2-3-4  | 
 55*2-3-4-6  |  
| 
 17*2-2.5-3  | 
 35*2-2.5-3-3.5-4  | 
 59*2-3-4-6  |  
| 
 18*2-2.5-3  | 
 36*2-2.5-3-4  | 
 60*2-3-4-6  |  
| 
 19*2-2.5-3-3.5  | 
 38*2-2.5-3-3.5  | 
 72*2-3-4-6  |  
| 
 20*2-2.5-3  | 
 40*2-3-4-5  | 
 80*2-3-4-6-8  |  
| 
 21*2-3-4  | 
 45*2-3-4-6  | 
 81*2-4-6-8-12  |  
| 
 22*2-3-4  | 
 48*2-3-4  | 
 85*4-6-8-12  |   ????????????б?????δ?????????????????綽?????????????????????????????????! 
                       
                       
                      ?????????????????????????????????????????????????????????????????????????????????????????С???????????????????????????????????????????????????????????,??????????????20#??45#??16MN??Q345??A/B/C/D/E????27SIMN??15CrMO??12Cr1MOV??10CrMO910??304??304L??316??316L??321??P11??P22??P91??T91.??й???GB8162-99?????GB8163-99????????????ù?????????GB3087-99??GB5310-85????????ˉ?ù??GB5312-8???ù??... 
                      ???????????0510-88264321??88223334 ???棺0510-88223334 ?????18921237777 
                   |