A.2.2 B.3.0 C.3.2 D.3.6
A.1/8 B.1/6 C.1/4 D.1/3
A.濕式自動噴水滅火系統(tǒng) B.干式滅火系統(tǒng) C.預(yù)作用噴水滅火系統(tǒng) D.水噴霧系統(tǒng)