本帖最后由 移民电工 于 2010-12-21 22:15 编辑 9 ~* Z2 m- h; U7 y4 n7 ^$ f
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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! D k& Z4 {# O; u; M# r; J: G: t6 w
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These kinds of device need be cleaning and maintaining before winter season.