A.溫度(20±1)℃,相對(duì)濕度≥90% B.溫度(20±2)℃,相對(duì)濕度95% C.溫度(23±2)℃,相對(duì)濕度(50±10)% D.溫度(23±2)℃,相對(duì)濕度(50±5)%
A.75%B.80%C.85%D.90%
A.2% B.-10% C.-5% D.5%