Set up system to provide a "cross flow" of intake and exhaust ventilation wherever possible.
在任何可能的地方建立通风系统用以保证进风和排风的的交叉流动。
The ventilation system consists of a supply and exhaust air unit with a counterflow heat exchanger which provides 85% heat recovery.
通风通风系统包括一个送风单元，一个排风单元，与一个可回收85%热能的逆流式换热器。
Describes the composition and running modes of the smoke control and exhaust system, including the fire ventilation system at stations and in the tunnel, and the fire alarm and device control system.
简述了地下铁道防排烟系统的组成及其运行方式，包括车站及区间隧道火灾事故通风系统，火灾报警与设备监控系统。
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