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        ???: ???????: mm?? mm ????: ???: ????:
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      ???????
      ????б?
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      ????г?
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      ???????
      ?? ??????? ???????????????? ????>>>>
      ???С?????????? 11356
      20g????????????? 7945
      75???????????????? 7533
      25mm30mm????? 7105
      ?????????????????? 6047
      q345?????????&С 6019
      ???114mm,???12 5701
      ????????????????? 5104
      ?????219???????? 4608
      ?????D219X6??? 4594
      ??????ж?????&nbs 4514
      ?????159???????? 4433
      ????????????????2 4377
      ?????????SPHC??S 3631
      HDPE??п???????? 3520
      20#???????????? 3399
      q235b???????? 3393
      ??п??????????????? 3357
      ???q235b?????? 3344
      q235b???????? 3280
      ??????? ?????λ??:??? / ???????
        ??? >> ????г?  
      ????г?15CrMoG?????21????/?????? [2020/9/17] (???1390)
      ???????г?20#GB3087???????????ˉ??22???????? [2020/9/17] (???1835)
      ????????г?304??????22???????? [2020/9/17] (???1802)
      ???????г?Q195-Q235??п??22???????? [2020/9/17] (???2602)
      ?????г?27SiMn?????21????/??? [2020/9/17] (???1442)
      ????г?Q159-235??п??20?????? [2020/9/17] (???1907)
        ??? >> ??????  
      7??21???????г????????? [2020/9/17] (???2142)
      7??21???????г???????????? [2020/9/17] (???2200)
      7??20?????г?????С?? [2020/9/17] (???1692)
      7??20??????г?????????????? [2020/9/17] (???1753)
      7??20??????г????????????????? [2020/9/17] (???1993)
      ?????50*5??????&??? [2020/9/17] (???1116)
        ??? >> ???????  
      ???????????????????????? [2020/9/17] (???1456)
      ??6???????????????33.4%??480??? [2020/9/17] (???2358)
      ???????????????????????? [2020/9/17] (???1629)
      6??????????????????4.1% [2020/9/17] (???1971)
      ???????????ú?????????????? [2020/9/17] (???2065)
      ??????й???????????????????? [2020/9/17] (???1357)
      ???  1 

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