Smoke fire detector [安全] 感烟火灾探测器 ; 烟气探测器
smoke fire damper 排烟防火阀
smoke fire detectors 感烟火灾探测器
low-smoke fire resistance 低烟阻燃
smoke fire extinguishing systems 烟雾灭火系统
polymer film smoke fire detector 聚合物薄膜感烟火灾探测器
Low-smoke fire-retardant compound 低烟阻燃复合剂
fire smoke detection 火灾烟雾探测 ; 火灾烟雾识别
The crew were able to put out the fire after only 25 acres had gone up in smoke.
在仅仅25公顷被烧毁之后,队员们能够将火扑灭了。
If it feels hot, there may be smoke or fire behind the door, so take care.
如果感觉很热,门后可能有烟或火,所以要小心。
All we have left is paroxysm, and when it subsides, there will be just one wisp of smoke. Our inner fire will ravish all.
我们所剩下的只有身体震颤,当它平息的时候,只有一缕轻烟。我们内心的火焰会吞噬一切。
They are said to use forty to fifty percent less wood than an open fire, and produce fifty to seventy-five percent less smoke.
VOA: special.2010.02.01
And smoke filled the rooms where soldiers still tried to fire their cannons.
VOA: special.2009.08.13
A large fire then broke out, engulfing several shops and spewing a cloud of gray smoke over the area.
VOA: standard.2009.10.28
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