国精产品一区一区三区,97久久精品无码一区二区,欧美老妇大P毛茸茸,两根黑人粗大噗嗤噗嗤视频

 
????????? ??????????????????>>>>
??????316LVV????
316SS?????????
316LVV??????
316LVV?????????
??????316LVV??????
316SS??????
316LVV??????
316LVV?????????
316LVV?????
316SS?????????
316LVV??????
316LVV?????????
????????? ???...
????6*1С???????????&...
GB3087?????ˉ??-????...
   ?????λ?????? >> ????? >>  ??ˉ????? >> ????????????????????20G?????????ˉ????????
  
???????
3231494816
????????
????????????????????20G?????????ˉ????????
?橈????
232*35
????????
???????0510-88268136
??????
??ˉ?????
 
    ?? ? ? ??

????ˉ?????????????????20G?????ˉ????????

????ˉ?????????????????20G?????ˉ????????????????????????????????????,??ˉ??????????0510-88268136      ??ˉ??QQ??????????709154628

??????????????????????

???????:0510-88268136   88269158
18921511196   13812042226   
???棺0510-88267553
?????????0510-88264321   88268567
18014258567   13382886444
???棺0510-88269156
?????????????????????????·288?????????г?
????? http://www.amghtru.cn        http://www.hb-gg.com
????QQ?????709154628    15695585  

 


???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????ˉ???????????????????????16Mn????????????????ù??????????????????????????????????????????????????????????

????????????:10#??20#??35#??45#??20G??40Cr??20Gr??16Mn-45Mn??27SiMn??Cr5Mo??12CrMo(T12)??12Cr1MoV??12Cr1MoVG??10CrMo910?? 15CrMo??15CrMoG??35CrMo??40CrMo????????б???У?GB/T8162-2008??GB/T8163-2008??GB/T3087-2008??GB/T5310-2008??GB/T6479-2000??GB/T9948-2006??GB/T5312-1999???????????20G?????16mn???????????????????????gb3087???????ˉ??????????????ù????????ù??gb5310?????27SiMn????????15crmo?????12cr1movg????????????????

???????;?????????????????????????,??.??.?????ˉ???????;????????;???????????и????????????????????п????????? ?????????????????????ι?????????????У?????????壬?????塢?????壬??????????????????????????????????????????????????????????????



?????????????????????????????????????????????????????????????????????????????????????????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

  • ?????????? ??????????20G????ˉ???299*20???????????ˉ??GB5310???

  • ?????????? ?????ˉ?????20G?????ˉ??GB5310????С?????ˉ?????
  • ??????????
  • ???????8802  ??????2013/11/8 ?????????? ???????

    ??????? | ????? | ?????? | ??ˉ????? | ??????? | ?????? | ?????? | ??????? | ???????? | ??????? | ????????   ?????   Sitemap
    ?????????316L?V????????316LVV????????316SS?????????????????316LVV?????????????????
    ?綽??0510-88264321??88223334?????棺0510-88223334???????13967282625??18921237777  ??????
    sitemap Copyright ® ???????????????? ???:??????????????????????·66??
    ????

    ??????

    • ???1 ??????????????
    • ?????18921237777