本帖最后由 移民电工 于 2010-12-21 22:15 编辑 8 p" R$ {- c6 L. ^' h [3 v2 P3 R0 L+ j/ k, ^
This 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!7 l* W( v6 K: \
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These kinds of device need be cleaning and maintaining before winter season.