自關開防火門 的英文怎麼說

中文拼音 [guānkāifánghuǒmén]
自關開防火門 英文
self-closing fire door
  • : Ⅰ代詞(自己) self; oneself; one s own Ⅱ副詞(自然;當然) certainly; of course; naturally; willin...
  • : Ⅰ動詞1 (使開著的物體合攏) close; shut 2 (圈起來) shut in; lock up 3 (倒閉; 歇業) close down...
  • : Ⅰ動詞(防鷥) provide against; defend against; guard against Ⅱ名詞1 (防守; 防禦) defence 2 (堤...
  • : fire
  • : Ⅰ名詞1 (房屋、車船等的出入口 ) entrance; exit; door; gate 2 (形狀或作用像門的東西) switch; va...
  • 防火 : fire prevention; fire safety; fireproof
  1. Fire proof valve refers installed in the ventilation, air - conditioning systems to send, and the road back to the wind, opened in a state of fire when the temperature reached 70 degrees, the gas automatically closed in a certain period of time to meet the fire resistance requirements of the stability and integrity of fire resistance, a possible role of the fire fight valves

    閥是指安裝在通風、空調系統的送、回風管路上,平時呈啟狀態,災時當管道內氣體溫度達到70時閉,在一定時間內能滿足耐穩定性和耐完整性要求,起隔煙阻作用的閥
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