A.4 B.6 C.8 D.12
A.感光火災(zāi)探測(cè)器(火焰探測(cè)器) B.圖像式火焰探測(cè)器 C.可燃?xì)怏w探測(cè)器 D.空氣管采樣式極早期火災(zāi)報(bào)警系統(tǒng)
A.0.3m,0.5m B.0.5m,0.5m C.0.5m,0.3m D.0.5m,1.0m