A.1450~1530℃,1100~1150℃ B.1100~1150℃,1450~1530℃ C.1100~1150℃,1100~1150℃ D.1450~1530℃,1450~1530℃
A.脫碳B.脫磷C.脫氧D.脫硫
A.生白云石 B.熟白云石 C.尖晶白云石