By different functions it can be categorized into smoke damper and smoke fire damper.
按其功能可分为防火阀和排烟防火阀两大类。
I beg your pardon, I have unintentionally touched the damper of the stove, and it has made it smoke.
请您原谅，我不留心碰了火炉的钮门，弄到冒烟了。收藏反馈。
The method is also suitable for fire -regulating damper and smoke -discharging damper.
该法也适用于防火调节阀和排烟阀的性能试验。
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