本帖最后由 移民电工 于 2010-12-21 22:15 编辑 1 K9 ~% K* z* n7 @' r8 J
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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!! \6 Y0 O5 I% ^, N3 y4 r; Q) E1 @0 [
, O- M9 }1 Z5 K" r/ ~) a; UThese kinds of device need be cleaning and maintaining before winter season.