A . 70%
B . 80%
C . 90%
D . 100%
[单选题]花卉带叶扦插时,要求空气相对湿度应保持在()。A . 40%-50%B . 50%-60%C . 60%-70%D . 80%-90%
[单选题]药库相对湿度应保持在A.20%~30%B.30%~40%C.40%~50%D.45%~75%E.70%~85%
[单选题]药库相对湿度应保持在( )。A.20%~30%B.30%~40%C.40%~50%D.45%~75%E.70%~85%
[单选题]药库相对湿度应保持在( )A.20%~30%B.30%~40%C.40%~50%D.45%~75%E.70%~85%
[单选题]药库相对湿度应保持在( )。A.20%~30%B.30%~40%C.40%~50%D.45%~75%E.70%~85%
[单选题]药库相对湿度应保持在A.20%~30%B.30%~40%C.40%~50%D.45%~75%E.70%~85%
[单选题,A2型题,A1/A2型题] 库房相对湿度应保持在()A . 15%~45%B . 25%~55%C . 35%~65%D . 45%~75%E . 55%~85%
[单选题]扦插后空气湿度保持在()为宜。A .50-60%B .60-70%C .70-80%D .80-90%
[单选题]ICU病房的相对湿度应保持在()A . 20%~30%B . 80%~90%C . 50%~80%D . 20%~40%E . 40%~60%
[单选题]ICU病房的相对湿度应保持在A.20%~30%B.80%~90%C.50%~80%D.20%~40%E.40%~60%