少说多节能

57.9%

2.7:1

183.4

1,169

20.0%

1.9:1

146.0

867

30.8%

2.0:1

186.1

1,008

71.4%

1.8:1

84.0

717

50.0%

2.5:1

169.3

970

100.0%

3.0:1

116.0

895