注意：此页面搜索的是所有试题
都是不锈钢的一组是( )。
·1Cr13, 1Cr17, Cr12MoV
·1Cr13, 1Cr17, 1Cr18Ni9Ti
·1Cr13, 1Cr17, GCr15
·1Cr13, 20Cr, 1Cr17
·1Cr13, 1Cr17, Cr12MoV
·1Cr13, 1Cr17, 1Cr18Ni9Ti
·1Cr13, 1Cr17, GCr15
·1Cr13, 20Cr, 1Cr17
参考答案
