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
7 S' X" A5 \  h; J+ F0 z8 GDo you mean o the other end of the hood vent?

( A( U- x2 j9 ]2 Yyes， may have something fell down on the other end of the hood vent

ceramistpalace

edmontondown 发表于 2013-1-2 23:56
- [3 ?5 D( e3 _: u8 H- O! O" _4 ~yes， may have something fell down on the other end of the hood vent

4 H1 l: Y4 D: R8 C$ `0 a3 tAt 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！
: R+ q. J6 @. Y楼主不妨到室外勘察一番，自会明了