A . 10s
B . 15s
C . 25s
D . 30s
[单选题]气体灭火系统防护区应有保证人员在()s内疏散完毕的通道和出口。A .30B .60C .120D .180
[单选题]气体灭火防护区应有保证人员在()内疏散完毕的通道和出口。A .20sB .10sC .5sD .30s
[单选题]防护区应有保证人员在( )内疏散完毕的通道和出口。A.10SB.60SC.5SD.30S
[单选题]防护区应有保证人员在()内疏散完毕的通道和出口。 A.10SB.60SC.5SD.30S
[单选题]气体灭火系统防护区应有能在____内使该区域人员疏散完毕的走道与出口,在疏散走道与出口处,应设火灾事故照明和疏散指示标志。A.15sB.30sC.45sD.60s
[单选题]气体灭火系统防护区应能在_______内使该区域人员疏散完毕的走道与出口,在疏散走道与出口处,应设火灾 事故照明和疏散指示标志。A.15sB.30sC.45sD.60s
[主观题]气体灭火系统防护区应有能在60s内使该区域人员疏散完毕的走道与出口。此题为判断题(对,错)。
[判断题]气体灭火系统防护区应有能在60s内使该区域人员疏散完毕的走道与出口。A.对B.错
[判断题]气体灭火系统防护区应有能在60s内使该区域人员疏散完毕的走道与出口。A.对B.错
[判断题]气体灭火系统防护区应有能在60s内使该区域人员疏散完毕的走道与出口。A.对B.错