A.30~70% B.50~60% C.40~70% D.40~50%
A、空氣溫度降低時,相對濕度將逐漸增高 B、空氣溫度降低時,相對濕度將逐漸降低 C、空氣溫度升高時,相對濕度將降低 D、空氣溫度降低時,相對濕度不變
A.小于0.4W/(m*K) B.小于0.3W/(m*K) C.小于0.2W/(m*K) D.小于0.1W/(m*K)