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发表于 2009-9-10 07:56:14
ASTM A 913-2004 经淬火和自回火(QST)处理的高强度低合金结...
A913/A913M-04 Standard Specification for High-Strength Low-Alloy Steel Shapes of Structural Quality, Produced by Quenching and Self-Tempering Process (QST)