Smoke extraction fan is set as manual and automatic start.

排烟风机设置为手动和自动开启装置.

互联网

Deals with heating, natural smoke extraction and natural ventilation problems.

探讨了地下汽车库的供暖 、 自然排烟、自然进风问题.

互联网

Pressurized ventilator ( air feed ) and smoke extraction fan are interlockingly controlled.

加压送风机 ( 补风 ) 与排烟风机联锁控制.

互联网