A.47Mn2Si2TiB B.Cr18N19 C.ADI D.銅
A.47Mn2Si2TiB B.Cr18Ni9 C.ADI D.銅
A.車(chē)統(tǒng)-23 B.車(chē)統(tǒng)-36 C.車(chē)統(tǒng)-45 (D車(chē)統(tǒng)-113