本帖最后由 移民电工 于 2010-12-21 22:15 编辑 & R: e& I3 T9 j2 ~5 }$ k% H
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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!& s) R: B$ Q- v3 B6 R
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These kinds of device need be cleaning and maintaining before winter season.