兑水 发表于 2009-9-10 08:48:41

ASTM A 945-2005改良可焊接性加工性粘接性用低碳限硫高强度...

A945/A945M-00 Standard Specification for High-Strength Low-Alloy Structural Steel Plate with Low Carbon and Restricted Sulfur for Improved Weldability, Formability, and Toughness
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