屋顶风帽

屋顶风帽屋顶风帽
  1. 这种系统包括竖向排气干管、横向排气支管、吸油烟机、防火及防串烟部件和屋顶风帽。

    Such systems included vertical exhaust main pipe , horizontal exhaust branch pipe , range hoods , the roof hood , fire-protection device and check valve .