A.50%-70% B.60%~80% C.90% D.90~98%
A.<0.8 B.1.2~2 C.0.8~1.2 D.>2
A.20噸,其中煮練占50% B.20噸,其中煮練占80% C.10噸,其中水洗占50% D.10噸,其中水洗占80%