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  ???: ???????: mm?? mm ????: ???: ????:
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???С?????????? 11529
20g????????????? 8167
75???????????????? 7860
25mm30mm????? 7554
?????????????????? 6870
q345?????????&С 6184
???114mm,???12 6034
????????????????? 5615
????????????????2 5249
?????219???????? 4867
?????D219X6??? 4787
?????159???????? 4739
??????ж?????&nbs 4632
?????????SPHC??S 3870
HDPE??п???????? 3716
20#???????????? 3585
q235b???????? 3547
???q235b?????? 3513
??п??????????????? 3486
q235b???????? 3427
??????? ?????λ??:??? / ???????
  ??? >> ????г?  
????г?15CrMoG?????21????/?????? [2020/9/17] (???1516)
???????г?20#GB3087???????????ˉ??22???????? [2020/9/17] (???2184)
????????г?304??????22???????? [2020/9/17] (???2145)
???????г?Q195-Q235??п??22???????? [2020/9/17] (???2950)
?????г?27SiMn?????21????/??? [2020/9/17] (???1574)
????г?Q159-235??п??20?????? [2020/9/17] (???2032)
  ??? >> ??????  
7??21???????г????????? [2020/9/17] (???2501)
7??21???????г???????????? [2020/9/17] (???2546)
7??20?????г?????С?? [2020/9/17] (???1824)
7??20??????г?????????????? [2020/9/17] (???1875)
7??20??????г????????????????? [2020/9/17] (???2103)
?????50*5??????&??? [2020/9/17] (???1238)
  ??? >> ???????  
???????????????????????? [2020/9/17] (???1606)
??6???????????????33.4%??480??? [2020/9/17] (???2889)
???????????????????????? [2020/9/17] (???1744)
6??????????????????4.1% [2020/9/17] (???2333)
???????????ú?????????????? [2020/9/17] (???2466)
??????й???????????????????? [2020/9/17] (???1484)
???  1 

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