请问哪有這兩标准?
SAEAMS4025/AluminumAlloy,SheetandPlate,1.0mg0.60si0.28cu0.20crAnnealed.
SAECJ410/HighStrength,LowAlloySteel.
谢谢!
请问哪有這兩标准?
SAEAMS4025/AluminumAlloy,SheetandPlate,1.0mg0.60si0.28cu0.20crAnnealed.
SAECJ410/HighStrength,LowAlloySteel.
谢谢!
之前