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?????? >> ????? >>  ????? >> ??????A333 GR.6???1?????????????1??????????????1????
  
???????
31610572416
????????
??????A333 GR.6???1?????????????1??????????????1????
?橈????
139.7*7.91
????????
??????1?????0510-88268136
??????
?????
 
    ?? ? ? ??

??????A333 GR.6???1?????????????1??????????????1????

??????A333 GR.6???1??

????????????18921511196  A33Gr6?????? A33Gr11?????? A33Gr3?????? ??????????С?????????????????????????????????????????????????????????????????????????????????????????????????ˉ?????1??????????????????????o???????o??????????????????????????????????????????????????????????????????????????????罭????????????????????????????????4000???????????????????2000????????????1000?????????????1000????????????????1000????????????????????????????????????????????????????????????????????????????????20#??45#??16Mn(Q345A??Q345B??Q345C??Q345D??Q345E)??????A333-Grade1??Grade3??Grade4??Grade6??Grade7??Grade8??Grade9??Grade10??Grade11??27SiMn??15-42CrM0?????????г???????????????????????????????????????λ???????????????á??????
????????0510-88268136   88267553   18921511196????????????QQ709154628  http://www.amghtru.cn

???o??????????????????????????18921511196?????o???????o???????????Q345B??Q345C??Q345D??Q345E??A33Gr6 15MnV??? ???o????????????????????GB/T1591-1994????????г????????????????????????????????????????????????????緰??V??????Nb???????Ti????????Al??????Mo????????N???????????RE??????????????????????????????????Q295A??B??Q345A??B??C??D??E??Q390A??B??C??D??E??Q420A??B??C??D??E??Q460C??D??E???????????????????????????????????????á??????????????÷?Χ?????????????????????????????????????????????????????????ˉ??????????????????С?



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

  • ?????????? ?????????-????A106?????????-????ST45.8?±??????

  • ?????????? ????????EA335-P22?????o?????????????A335-P22???o???
  • ??????????
  • ???????2218  ??????2012/3/16 ?????????? ???????

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

    ??????

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