本帖最后由 移民电工 于 2010-12-21 22:15 编辑 ' }/ F" S+ w" g+ U# m1 W3 B: E: j
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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!" j3 G0 W$ A5 o2 m8 {
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These kinds of device need be cleaning and maintaining before winter season.