本帖最后由 移民电工 于 2010-12-21 22:15 编辑 ( x1 ?% _4 H. t2 Y$ |2 m* Y3 z
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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! ) j* M h7 X5 d# `/ A( J7 o( a: ?8 e( h
These kinds of device need be cleaning and maintaining before winter season.