摘要对于排风兼排烟系统，当烟气蔓延至相邻防烟分区时，将产生系统二次排烟问题。

For the air exhaust plus smoke evacuation system, the problem of secondary smoke evacuation arises when smoke spreads to adjacent smoke-control zones.

youdao

摘要对于排风兼排烟系统，当烟气蔓延至相邻防烟分区时，将产生系统二次排烟问题。

For the air exhaust plus smoke evacuation system, the problem of secondary smoke evacuation arises when smoke spreads to adjacent smoke-control zones.

youdao