本帖最后由 移民电工 于 2010-12-21 22:15 编辑 ( `; X6 G7 o2 A8 o# m! @' O! L4 {
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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!) G$ K; y; L# s. d) P: j
& f7 l+ t' d {( \* B- PThese kinds of device need be cleaning and maintaining before winter season.