... top exit 顶部出口 top level ventilation 顶层通风 top light 天窗 ...
基于80个网页-相关网页
top p level ventilation 顶层通风
·2,447,543篇论文数据，部分数据来源于NoteExpress
Smoke travels upwards, and if smokers are confined to the top level and adequate ventilation is in place (be it an open window or a small fan), then there can be no cause for concern to those non-smokers who sit downstairs.
BBC: TRAPPED BY INCONSIDERATE SMOKERS
应用推荐
模块上移
模块下移
不移动