•   ???: ???????: mm?? mm ????: ???: ????:
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    ?? ??????? ???????????????? ????>>>>
    ???С?????????? 11232
    20g????????????? 7787
    75???????????????? 7309
    25mm30mm????? 6764
    q345?????????&С 5917
    ?????????????????? 5744
    ???114mm,???12 5489
    ????????????????? 4882
    ?????D219X6??? 4482
    ?????219???????? 4467
    ??????ж?????&nbs 4402
    ?????159???????? 4259
    ????????????????2 3853
    ?????????SPHC??S 3470
    HDPE??п???????? 3376
    20#???????????? 3283
    q235b???????? 3278
    ??п??????????????? 3246
    ???q235b?????? 3227
    ??????????????????? 3196
    ??????? ?????λ??:??? / ???????
      ??? >> ????г?  
    ????г?15CrMoG?????21????/?????? [2020/9/17] (???1320)
    ???????г?20#GB3087???????????ˉ??22???????? [2020/9/17] (???1606)
    ????????г?304??????22???????? [2020/9/17] (???1562)
    ???????г?Q195-Q235??п??22???????? [2020/9/17] (???2360)
    ?????г?27SiMn?????21????/??? [2020/9/17] (???1349)
    ????г?Q159-235??п??20?????? [2020/9/17] (???1824)
      ??? >> ??????  
    7??21???????г????????? [2020/9/17] (???1886)
    7??21???????г???????????? [2020/9/17] (???1947)
    7??20?????г?????С?? [2020/9/17] (???1605)
    7??20??????г?????????????? [2020/9/17] (???1669)
    7??20??????г????????????????? [2020/9/17] (???1915)
    ?????50*5??????&??? [2020/9/17] (???1038)
      ??? >> ???????  
    ???????????????????????? [2020/9/17] (???1358)
    ??6???????????????33.4%??480??? [2020/9/17] (???1970)
    ???????????????????????? [2020/9/17] (???1543)
    6??????????????????4.1% [2020/9/17] (???1730)
    ???????????ú?????????????? [2020/9/17] (???1789)
    ??????й???????????????????? [2020/9/17] (???1282)
    ???  1 

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