| | | | | | | | | | | | | | | 2019 | 30 | | | | | | | | | | | | | | | | | | | | 500mg/L-1000mg/L | 250mg/L-500mg/L | | 100mL/m2-300mL/mL/m2 | 30 60 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | KN95/N95 | | | | | | | | | 2 | | | | | | | | | | | | | | | | | | 1. | | | | 14 | | | | | | | 2. 2 | | | | | | 3. | KN95/N95 | | | | | | | | | | | | | | | | | | | | | KN95/N95 | | | | | | | | | 1. | | | | | | | | | 2. | | | | | | KN95/N95 | | | | | | | | | 1. | | | | | | | | | | | | | | | | | | 2. | | | | | | | | | | | | | | | 2020 2 4 | |