A.12% B.14% C.16% D.18%
A.采用節(jié)能燈具 B.淘汰耗能設(shè)備 C.停用空調(diào) D.及時關(guān)閉閑置的耗電設(shè)備
A.2008.1.1 B.2008.6.1 C.2008.10.1 D.2009.1.1