本帖最后由 移民电工 于 2010-12-21 22:15 编辑 ' z) R( C/ k& ?1 ^ r8 c
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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!* I) ]2 d& y7 Q8 A5 M0 j
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These kinds of device need be cleaning and maintaining before winter season.