A.5~8% B.8~15% C.15~20% D.20~28%
A.±0.5% B.±1.0% C.±2.0% D.±3.0%
A.爐溫、料批、煤氣流、 B.爐溫、煤氣流、堿度 C.煤氣流、爐溫、料批 D.煤氣流、料批、堿度