?????ˉ?????????ˉ??????????ˉ???????20G?????ˉ??????????
????????????????λ????????????????г??????????????????????????ˉ???
?????ˉ????:GB5310-2008
?????ˉ????:25-630*2-80mm
?????ˉ?????ˉ????????????????????????????????????????????????????????????????????ˉ????????????????o????????????????????????????????????￡??????????????????????и???????????????????????????????????????????????ˉ???????????????????????ˉ????????????????????????????????????
?????????????????????????????????????????????????????????????????????????????????????????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 ?????13967282625??18921237777
|
?????λ???
?? ? ? ?? 