本帖最后由 移民电工 于 2010-12-21 22:15 编辑 # }: N2 E: d2 v: i: r
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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!& N. o. S z2 V0 ]7 E, t0 m! u
5 h7 ^$ M5 r, T( B1 f) W, fThese kinds of device need be cleaning and maintaining before winter season.