?????ˉ??:??????ˉ??????:????????ˉ??????:??????й?ˉ?????
??ˉ??.?????ˉ??.??????ˉ??.????20G??ˉ??.????GB5310??ˉ??.?????????ˉ??.????????ˉ??.????????ˉ???.????ˉ?????
??????????????????????---??ˉ????????:
??ˉ??????????????????п???棬????????????????????????????????????????????????????????γ?磨??????????????????????緶Χ??????????С?????????????????????????????????????????豸????е??????????????????????????????????????
????????????
??????????ˉ??????????350?????£????????????10???20???????????????ι?????
??????????ˉ????????????????o?????????????????????????????????
??ˉ??
???£??????????????????????и??????????????????????????????????????????
?????????????????????????????????????????????????????????????????????????????????????????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
|