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

) S% i3 j& ?2 L' ^" e2 j, Q: Cyes， may have something fell down on the other end of the hood vent

ceramistpalace

edmontondown 发表于 2013-1-2 23:56
  _& B1 Y% L8 Qyes， may have something fell down on the other end of the hood vent

& Q5 X1 I& {, H" z4 D' ^At 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！
! s/ }5 X. r) k( w4 a% Z7 T楼主不妨到室外勘察一番，自会明了