A.γ B.δ C.R D.λ
A.包晶反應(yīng) B.共晶反應(yīng) C.共析反應(yīng) D.包析反應(yīng)
A.0.77%-4.3% B.2.11%-4.3% C.2.11%-6.69% D.4.3%-6.69%
