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  ????: a???o?: mm? mm 2??: ?: 2??:
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?t?T?1
3042?Da???T?1
?3??T?1
??T?1
?T??D?1
2?Da???T?1
Q345B?T?1
16mn?T?1
o??e?T?1
45#?T?1
20#?T?1
o??T?1
'????T?1
D?????T?1
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q345b???1D3?3????
q345b???1????D???
q345b???1?????????Y?
???20#?T?1D3?DD???
20#?T?1?????Y??????
q345b???13?????3?D?
3??D?q345b???1????
q345b?T?1????DD??
q345b?T?1????????3??
q345b???1?????Y?3???
?1q345b???13????
????????D????q345b?
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??????3? 1??? 2?? ? ???? 2?? ?D???
?T??11??? 159?14-20 20# 45# 16?- gb8162-2008 ??/?? ??? 2018/6/26
90*50??D?1 90?50 20# GB/T3094-2012 ??/?? ?3????? 2018/6/26
65*65*5??1?1 65?65 20# GB/T3094-2012 ??/?? ?3? 2018/6/26
???1 45*45 45?45 20#  16mn GB/T3094-2012 ??/?? ?3????? 2018/6/26
30*30*2-350*350*12 55?55 20#  16mn GB/T3094-2012 ??/?? ?3????? 2018/6/26
o????1 120*120 120?120 20# GB8163-2008 ??/?? ?3????? 2018/6/26
'?????D?1 200?350 20# GB/T3094-2012 ??/?? ???? 2018/6/26
Q345B?T?1 80?80 20# GB/T3094-2012 ??/?? ?3????? 2018/6/26
q345b?1 100?200 20# GB/T3094-2012 ??/?? ?3????? 2018/6/26
100*100*8?T?1 100?100 20# GB/T3094-2012 ??/?? ?3????? 2018/6/26
?T?1 50?100 20# GB3094-2012 ??/?? ?3????? 2018/6/26
?T?1?a????3?? 100?100 20#/Q345B??- GB/T3094-2012 ??/?? ?3????? 2018/6/26
?T??D?1 250?150 20# GB3094-2012 ??/?? ?3? 2018/6/26
'????T?1 100?100 20# GB3094-2012 ??/?? ?3????? 2018/6/26
16mn?T?1 150?150 16mn GB/T3094-2012 ??/?? ?3????? 2018/6/26
D?????T?1 80?80 20# GB3094-2012 ??/?? ?3????? 2018/6/26
20o??T?1 40?40 20# 3094-2012 ??/?? ?3????? 2018/6/26
?T???1 40?80 20# 3094-2012 ??/?? ?3????? 2018/6/26
??1?T?1 200?200 20# 3094-2012 ??/?? ?3????? 2018/6/26
???T???1 80?100 20# 3094-2012 ??/?? ?3????? 2018/6/26
?3?45#o???11??? 76-325?25-5?- 45# gb8162-2008 ??/?? ??? 2016/9/1
?T??11??? 51?14 20# 45# 16?- gb8162-2008 ??/?? ??? 2016/9/1
?11?o??T1 73?4 20o? GB/T8162-2008 ??/?? 2016/9/1
???D???????T1 24?2.5 20# GB/T8162-2008 ??/?? ??? 2016/9/1
12 47 ??2?     3  ??3   [1] [2]   ???3  ??3      1223  24??/3       

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