A.5000mg/L~10000mg/L B.5000mg/L~8000mg/L C.10000mg/L~15000mg/L D.8000mg/L~150000mg/L
A.5000mg/L B.2500mg/L C.1500mg/L D.1200mg/L
A.7天,2例 B.14天,3例 C.14天,2例 D.7天,3例