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
5 k. c9 s* `1 I8 s5 o% mDo you mean o the other end of the hood vent?

4 a* n& ~) q* pyes， may have something fell down on the other end of the hood vent

ceramistpalace

edmontondown 发表于 2013-1-2 23:56
5 B# _/ F% w: ?' k/ Q8 J. t4 Eyes， may have something fell down on the other end of the hood vent

1 K2 J7 k: q" T" \: r, ~. Y# e2 i- hAt 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！
- P: P# d6 D+ |. R3 }2 ^/ E楼主不妨到室外勘察一番，自会明了