请问新房子什么东西on the top of kitchen hood fan 会掉下来的？

edmontondown

听到是洋铁皮的一半在悬空的状态下，每隔2分钟风一吹就咣当一声响，请问新房子是什么东西on the top of kitchen hood fan 会掉下来的？

ceramistpalace

Do you mean o the other end of the hood vent?

edmontondown

ceramistpalace 发表于 2013-1-2 23:26
* c) @1 }- P% w5 kDo you mean o the other end of the hood vent?

1 b7 k9 }6 C% Y8 A0 U! X2 ^1 |' w- xyes， may have something fell down on the other end of the hood vent

ceramistpalace

edmontondown 发表于 2013-1-2 23:56
5 k* N8 t' l' S+ Vyes， may have something fell down on the other end of the hood vent

! h, i+ Q( F1 r- w  m+ J7 CAt the other end(outside) of the vent duct, there is usually a metal cover for the opening, it can swing up and down and if it is a windy day, it will be blown swinging, thus making a kind of banging noise.

Edmontonsky

楼上高人正解！
/ V. p% M% R$ G6 c# v楼主不妨到室外勘察一番，自会明了