A.O2≤0.5% B.O2≤0.25% C.O2≤0.2% D.O2≤1.0%
A.1℃/min B.1.5℃/min C.5℃/min D.10℃/min
A.5 B.10 C.15 D.20
A.石灰石漿液 B.工藝水 C.氧化空氣 D.石膏