A.2.2m3/(h·人)B.2.3m3/(h·人)C.2.4m3/(h·人D.2.5m3/(h·人)
A.20~40m3/(h·人)B.30~50m3/(h·人)C.40~60m3/(h·人)D.50~70m3/(h·人)
A.45~50DB(A)B.50~55DB(A)C.55~60DB(A)D.60~65DB(A)