Smoke controt and exhaust system

• 防排烟

Smoke controt and exhaust system的用法和样例：

例句

1. We find that the existing smoke protection settings can not control the smoke diffusing effetely at the same time.
   同时发现地铁车站原防排烟系统设置无法对火灾时的烟气进行有效的控制。