08资源列表
-
[国外标准] ASTM A490-08b Standard Specification for Structural Bolts,Alloy Steel, Heat Treated, 150 ksi Minimum
-
[国外标准] ASTM A490-08a Standard Specification For Structural BoltasAlloy Steel,Heat Treated,150 ksiMinimum Te
-
[国外标准] ASTM A479/A479M-08 Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and