本帖最后由 移民电工 于 2010-12-21 22:15 编辑 ' U1 k( q6 g1 C2 ~$ E/ [ f. g & T. R' e; T9 K( qThis is a horizontal furnurs mount on the top of building and intake air form outsid of building, I think you can not fix it by yourself!' S }2 L8 M) s
" O' [7 a" z2 ]; H9 I* OThese kinds of device need be cleaning and maintaining before winter season.