本帖最后由 移民电工 于 2010-12-21 22:15 编辑 - N3 E- o/ t3 |3 x5 H7 o2 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!) z: n% ?; z5 Y: ^# N
2 Z8 b! V& S& P$ U$ HThese kinds of device need be cleaning and maintaining before winter season.