本帖最后由 移民电工 于 2010-12-21 22:15 编辑 . t7 H4 B, \1 A3 o, x8 i
# S; g5 y( s( |* m8 Z. g/ yThis 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!6 h1 e! C8 K+ t0 b
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These kinds of device need be cleaning and maintaining before winter season.