A.48h B.24h C.36h D.28h
A.12% B.22% C.18% D.10%
A.溫度為(22±2)℃,相對(duì)濕度為(60±2)% B.溫度為(22±1)℃,相對(duì)濕度為(60±2)% C.溫度為(22±1)℃,相對(duì)濕度為(60±1)% D.溫度為(21±1)℃,相對(duì)濕度為(60±2)%