???????  ???????е???????????????????????????????????  ????1?????????????????????????????????????????á?  ????2???????????С?????????С?????????  ????3??????????????????Χ?????????(?????Χ??2000??1)??  ????4??????????????????  ????5?????????????????????????????????????????????????????  ????6?????????????????/  ????7??????????????????????????????????????????????????????????????????????????????? 
                       
                       
                      ?????????????????????????????????????????????????????????????????????????????????????????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 
                   |