A.0.71
B.0.50
C.1.41
D.2.00
[单选题]A.0.71B.0.50C.1.41D.2.00
[单选题]A.1B.2C.3D.4
[单选题]A.1.5B.2.0C.2.5D.3.0
[单选题]A.B.C.D.
[单选题]A.B.C.D.0
[单选题]A.该空调系统能效比为2.40,满足经济运行要求B.该空调系统能效比为2.40,不满足经济运行要求C.该空调系统能效比为2.46,满足经济运行要求D.