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› ASTM A897 - Standard Specification for Austempered Ductile Iron Castings
songgw
发表于 2011-4-15 12:59:14
ASTM A897 - Standard Specification for Austempered Ductile Iron Castings
ASTM等温淬火标准
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ASTM A897 - Standard Specification for Austempered Ductile Iron Castings