A.火災(zāi)探測報(bào)警時(shí)間 B.人員預(yù)動時(shí)間 C.人員預(yù)動時(shí)間與人員疏散運(yùn)動時(shí)間之和 D.火災(zāi)探測報(bào)警時(shí)間、人員預(yù)動時(shí)間與人員疏散運(yùn)動時(shí)間之和
A.2s B.3s C.5s D.10s
A.5%~10% B.10%~20% C.20%~25% D.30%~50%