回火是为了降低脆性,消除内应力,减少变形开裂。( ) 发布时间:2018-04-20 22:24 │ 来源:www.tikuol.com 题型:判断题 问题: 回火是为了降低脆性,消除内应力,减少变形开裂。( )
题型:判断题 ______ always exists between the theoretical deduction and the result of experimentation.A.DeviationB.DerivationC.VariationD.Variety 查看答案