A.≤0.05%(wt) B.≤0.15%(wt) C.≯0.1%(wt) D.≯0.15%(wt)
A.≤0.05%(wt) B.≤0.1%(wt) C.≯0.2%(wt) D.≯0.15%(wt)
A.≤0.05%(wt) B.≤0.1%(wt) C.≯0.1%(wt) D.≯0.15%(wt)