A.0.2~0.6mg/kg B.1.1~1.5mg/kg C.0.01~0.02mg/kg D.0.1~0.2mg/kg
A.100mg/kg B.50mg/kg C.200mg/kg D.500mg/kg
A.10%~20% B.20%~30% C.60%~80% D.80%~90%